Another year is about to end... So we have to update these damn copyright information :P
[PHP-P10.git] / Uplink / Uplink.class.php
index 4891df22a05aaf12a493abe597856a4c8b440628..18468e76638cbbb3ebacb354cb56401eace77da4 100644 (file)
@@ -1,22 +1,19 @@
 <?php
-/********************************* PHP-P10 ******************************
- *    P10 uplink class by pk910   (c)2011 pk910                         *
- ************************************************************************
- *                          Version 2 (OOP)                             *
+/******************************* PHP-P10 v2 *****************************
+ * Copyright (C) 2011-2012  Philipp Kreil (pk910)                       *
  *                                                                      *
- * PHP-P10 is free software; you can redistribute it and/or modify      *
+ * 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    *
+ * the Free Software Foundation, either version 3 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.                         *
  *                                                                      *
  * You should have received a copy of the GNU General Public License    *
- * along with PHP-P10; if not, write to the Free Software Foundation,   *
- * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.       *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
  *                                                                      *
  ************************************************************************
  * 
  *
  * This file contains the basic P10 Protocol handler.
  *
- ************************************************************************
- * accessable methods:
- *
- * void initialize()
- *     has to be called after the settings have been set.
- *
- * void loop() 
- *     loop function that should be calles as many times as possible. 
- *     It reads from the socket and BLOCKS the script execution for a 
- *     specific time if nothing is received.
- *
- * void setUplinkHost(String $host, int $port, bool $ssl = false, String $bind = null)
- *     sets the Uplink connection information.
- *
- * void setLoopTimeout(int $timeout)
- *     sets the maximum time loop() is blocking the script execution.
- *
- * void setUplinkServer(int $numeric, String $name, String $password, String $description)
- *     sets the own P10 Server information.
- *
- * void setValidateServer(String $name, String $password)
- *     sets additional security relevant information about the remote server.
- *
- * void setEventHandler(EventHandler $event_handler)
- *     sets the EventHandlder
  */
 require_once("Client.class.php");
 require_once("Numerics.class.php");
@@ -57,22 +29,35 @@ require_once("P10_Server.class.php");
 require_once("P10_User.class.php");
 require_once("P10_Channel.class.php");
 require_once("P10_ModeSets.class.php");
+require_once("EventHandler.interface.php");
+require_once("IPAddr.class.php");
+
+$e=1;
+define("ERR_NICK_IN_USE", $e++);
+define("ERR_INVALID_USER", $e++);
+define("ERR_INVALID_CHANNAME", $e++);
+define("ERR_NOT_CONNECTED", $e++);
+define("ERR_NOT_ON_CHANNEL", $e++);
 
 class Uplink {
        private $client;
        private $settings = array();
        private $server;
+       private $eventHandler = null;
+       private $last_local_numeric = 0;
        
        const FLAG_P10SESSION      = 0x0001; //connection is in P10 mode (server is connected)
        const FLAG_SECURITY_QUIT   = 0x0002; //local connection abort because of security issues
        const FLAG_NOT_CONNECTABLE = 0x0004; //remote server is not connectable
        const FLAG_BURST_PENDING   = 0x0008; //we still have to burst
        const FLAG_CONNECTED       = 0x0010; //connected and synced (ready)
+       const FLAG_GOT_PASS        = 0x0020; //got PASS from the remote Server
        private $flags = 0;
        
        public function __construct() {
                $this->client = new Client();
                $this->setSetting("recv_timeout", 1000);
+               $this->setSetting("his_usermask", "user.NoMask");
        }
        
        public function initialize() {
@@ -98,7 +83,7 @@ class Uplink {
                if(!$this->client->connected()) {
                        if(($this->flags & self::FLAG_P10SESSION)) {
                                //Server got disconnected
-                               $this->server->disconnectServer(true);
+                               $this->server->disconnectServer($this->eventHandler, true);
                                $this->flags &= ~self::FLAG_P10SESSION;
                        }
                        $host = $this->getSetting("host");
@@ -127,6 +112,15 @@ class Uplink {
                }
        }
        
+       public function shutdown() {
+               if($this->client->connected()) {
+                       if(($this->flags & self::FLAG_P10SESSION)) {
+                               $this->send("SQ", "Shutdown requested.");
+                       }
+                       $this->client->disconnect();
+               }
+       }
+       
        public function setUplinkHost($host, $port, $ssl = false, $bind = null) {
                $this->setSetting("host", $host);
                $this->setSetting("port", $port);
@@ -150,6 +144,20 @@ class Uplink {
                $this->setSetting("their_password", $password);
        }
        
+       public function setHISOptions($servername, $serverdesc, $usermask) {
+               $this->setSetting("his_name", $servername);
+               $this->setSetting("his_desc", $serverdesc);
+               $this->setSetting("his_usermask", $usermask);
+       }
+       
+       public function setEventHandler($event_handler) {
+               if(!is_a($event_handler, "EventHandler")) {
+                       trigger_error((is_object($event_handler) ? get_class($event_handler) : gettype($event_handler))." is NOT a valid EventHandler.", E_USER_ERROR);
+                       return;
+               }
+               $this->eventHandler = $event_handler;
+       }
+       
        private function setSetting($setting, $value) {
                $this->settings[$setting] = $value;
        }
@@ -177,6 +185,9 @@ class Uplink {
                if($cmdPos == 1) $from = $tokens[0];
                else $from = null;
                $arguments = array_slice($tokens, $cmdPos + 1);
+               if(($this->flags & self::FLAG_P10SESSION) && $this->eventHandler) {
+                       $this->eventHandler->event_preparse($from, strtoupper($tokens[$cmdPos]), $arguments);
+               }
                switch(strtoupper($tokens[$cmdPos])) {
                //pre P10 Session
                        case "PASS":
@@ -213,9 +224,49 @@ class Uplink {
                        case "B":
                                $this->recv_burst($from, $arguments);
                                break;
+                       case "J":
+                       case "C":
+                               $this->recv_join($from, $arguments);
+                               break;
+                       case "L":
+                               $this->recv_part($from, $arguments);
+                               break;
+                       case "K":
+                               $this->recv_kick($from, $arguments);
+                               break;
+                       case "D":
+                               $this->recv_kill($from, $arguments);
+                               break;
+                       case "P":
+                               $this->recv_privmsg($from, $arguments);
+                               break;
+                       case "O":
+                               $this->recv_notice($from, $arguments);
+                               break;
+                       case "W":
+                               $this->recv_whois($from, $arguments);
+                               break;
+                       case "A":
+                               $this->recv_away($from, $arguments);
+                               break;
+                       case "M":
+                       case "OM":
+                               $this->recv_mode($from, $arguments);
+                               break;
+                       case "AC":
+                               $this->recv_account($from, $arguments);
+                               break;
+                       case "FA":
+                               $this->recv_fakehost($from, $arguments);
+                               break;
+                       case "NFH":
+                               $this->recv_newfakehost($from, $arguments);
+                               break;
                //default
                        default:
                                //unknown cmd
+                               if($this->eventHandler)
+                                       $this->eventHandler->event_unknown_cmd($from, strtoupper($tokens[$cmdPos]), $arguments);
                                break;
                }
        }
@@ -242,7 +293,9 @@ class Uplink {
                                $this->flags |= self::FLAG_SECURITY_QUIT;
                                $this->send("ERROR", "Incorrect password received.");
                                $this->client->disconnect();
+                               return;
                        }
+                       $this->flags |= self::FLAG_GOT_PASS;
                }
        }
        
@@ -262,9 +315,17 @@ class Uplink {
                                $this->client->disconnect();
                                return;
                        }
+                       if($this->getSetting("their_password") && !($this->flags & self::FLAG_GOT_PASS)) {
+                               $this->flags |= self::FLAG_SECURITY_QUIT;
+                               $this->send("ERROR", "PASS missing.");
+                               $this->client->disconnect();
+                               return;
+                       }
                        $new_server = new P10_Server($args[0], substr($args[5],0,2), $this->server, $args[2], $args[3], $args[7]);
                        $this->server->addServer($new_server);
                        $this->flags |= self::FLAG_P10SESSION | self::FLAG_BURST_PENDING;
+                       if($this->eventHandler)
+                               $this->eventHandler->event_newserver($new_server, !($this->flags & self::FLAG_CONNECTED));
                } else {
                        //another server got a new slave server ^^
                        $server = P10_Server::getServerByNum($from);
@@ -274,11 +335,14 @@ class Uplink {
                        }
                        $new_server = new P10_Server($args[0], substr($args[5],0,2), $server, $args[2], $args[3], $args[7]);
                        $server->addServer($new_server);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_newserver($new_server, !($this->flags & self::FLAG_CONNECTED));
                }
        }
        
        private function recv_ping($from, $args) {
                $this->send("Z", $args[0]); //simply PONG
+               P10_Channel::recheckAllChannels();
        }
        
        private function recv_nick($from, $args) {
@@ -289,7 +353,9 @@ class Uplink {
                                trigger_error("Server tries to change the nick of an user that does not exist or was not found on recv_nick.", E_USER_ERROR);
                                return;
                        }
-                       $nick->setNick($args[0]);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_nick($user, $args[0]);
+                       $user->setNick($args[0]);
                } else {
                        //New User
                        $numeric = $args[count($args)-2];
@@ -307,9 +373,11 @@ class Uplink {
                        $host = $args[4];
                        $modes = implode(" ",array_slice($args, 5, count($args)-8));
                        $modes = new P10_UserModeSet($modes);
-                       $ip = Numerics::parseIP($args[count($args)-3]);
+                       $ip = new IPAddr($args[count($args)-3]);
                        $realname = $args[count($args)-1];
-                       new P10_User($nick, $numeric, $server, $connect_time, $ident, $host, $ip, $realname, $modes);
+                       $user = new P10_User($nick, $numeric, $server, $connect_time, $ident, $host, $ip, $realname, $modes);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_connect($user, !($this->flags & self::FLAG_CONNECTED));
                }
        }
        
@@ -322,7 +390,7 @@ class Uplink {
        }
        
        private function recv_end_of_burst_ack($from, $args) {
-               $this->flags |= FLAG_CONNECTED;
+               $this->flags |= self::FLAG_CONNECTED;
        }
        
        private function recv_server_quit($from, $args) {
@@ -331,7 +399,7 @@ class Uplink {
                        trigger_error("Server (".$args[0].") not found.", E_USER_ERROR);
                        return;
                }
-               $server->disconnectServer();
+               $server->disconnectServer($this->eventHandler);
        }
        
        private function recv_quit($from, $args) {
@@ -341,17 +409,23 @@ class Uplink {
                        return;
                }
                $user->quit($args[0]);
+               if($this->eventHandler)
+                       $this->eventHandler->event_quit($user, $args[0]);
        }
        
        private function recv_burst($from, $args) {
                $name = $args[0];
                $create_time = $args[1];
+               if(count($args) == 2) {
+                       //we've got an empty channel without any modes set???  dead channel!
+                       return;
+               }
                $channel = P10_Channel::getChannelByName($name);
                if($channel == null)
                        $channel = new P10_Channel($name);
+               $channel->setCreateTime($create_time);
                $modes = $channel->getModes();
                $userstr = $args[count($args)-1];
-               $modeparamcount = count($args)-3;
                if($userstr[0] == "%") {
                        //ban list
                        $banlist = explode(" ", substr($userstr, 1));
@@ -359,21 +433,26 @@ class Uplink {
                                //TODO: save bans
                        }
                        $userstr = $args[count($args)-2];
-                       $modeparamcount--;
+               }
+               if($userstr[0] == "+") { //MODE String
+                       $userstr = "";
                }
                $users = explode(",",$userstr);
-               $isop = false; $isvoice = false;
+               $isop = false; $ishalfop = false; $isvoice = false;
                foreach($users as $user) {
+                       if($user == "") continue;
                        $uexp = explode(":", $user);
                        if(strlen($uexp[0]) != 5) {
-                               trigger_error("burst parse error: '".$uexp[0]."' is not an user numeric.", E_USER_ERROR);
-                               return;
+                               trigger_error("burst parse error: '".$uexp[0]."' is not an user numeric.", E_USER_WARNING);
+                               break;
                        }
                        if(count($uexp) > 1) {
                                $isop = false;
+                               $ishalfop = false;
                                $isvoice = false;
                                for($i = 0; $i < strlen($uexp[1]); $i++) {
                                        if($uexp[1][0] == "@") $isop = true;
+                                       if($uexp[1][0] == "%") $ishalfop = true;
                                        if($uexp[1][0] == "+") $isvoice = true;
                                }
                        }
@@ -382,9 +461,326 @@ class Uplink {
                                trigger_error("burst parse error: cant find User '".$uexp[0]."'.", E_USER_ERROR);
                                return;
                        }
-                       $channel->burstUser($user, $isop, $isvoice);
+                       $channel->burstUser($user, $isop, $ishalfop, $isvoice);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_join($user, $channel, true);
                }
-               $modes->parseModes(implode(array_slice($args, 2, $modeparamcount)));
+               $modestr = array_slice($args, 2);
+               if($modestr[0] == "+")
+                       $modes->parseModes(implode(" ", $modestr));
+       }
+       
+       private function recv_join($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("Server tries to join an user that does not exist or was not found on recv_join.", E_USER_ERROR);
+                       return;
+               }
+               $channel = P10_Channel::getChannelByName($args[0]);
+               if($channel == null)
+                       $channel = new P10_Channel($args[0]);
+               $channel->joinUser($user);
+               if($this->eventHandler)
+                       $this->eventHandler->event_join($user, $channel, false);
+       }
+       
+       private function recv_part($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("Server tries to part an user that does not exist or was not found on recv_join.", E_USER_ERROR);
+                       return;
+               }
+               $channel = P10_Channel::getChannelByName($args[0]);
+               if($channel == null)
+                       $channel = new P10_Channel($args[0]);
+               if($this->eventHandler)
+                       $this->eventHandler->event_part($user, $channel, $args[1]);
+               $channel->partUser($user);
+       }
+       
+       private function recv_kick($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("An unknown user tries to kick another user on recv_kick.", E_USER_ERROR);
+                       return;
+               }
+               $channel = P10_Channel::getChannelByName($args[0]);
+               if($channel == null)
+                       $channel = new P10_Channel($args[0]);
+               $target = P10_User::getUserByNum($args[1]);
+               if($target == null) {
+                       trigger_error("Someone tries to kick an user that does not exist or was not found on recv_kick.", E_USER_ERROR);
+                       return;
+               }
+               if($this->eventHandler)
+                       $this->eventHandler->event_kick($user, $target, $channel, $args[1]);
+               $channel->partUser($user);
+       }
+       
+       private function recv_kill($from, $args) {
+               $user = P10_User::getUserByNum($args[0]);
+               if($user == null) {
+                       trigger_error("Server tries to kill an user that does not exist or was not found on recv_quit.", E_USER_ERROR);
+                       return;
+               }
+               $user->quit($args[1]);
+               if($this->eventHandler)
+                       $this->eventHandler->event_quit($user, "Killed (".$args[1].")");
+       }
+       
+       private function recv_privmsg($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("Server tries to send a privmsg from an user that does not exist or was not found on recv_privmsg.", E_USER_WARNING);
+                       return;
+               }
+               if($this->eventHandler) {
+                       if($args[0][0] == "#") {
+                               $channel = P10_Channel::getChannelByName($args[0]);
+                               if($channel == null)
+                                       $channel = new P10_Channel($args[0]);
+                               if(strlen($args[1]) > 0 && $args[1][0] == "\001") {
+                                       //ctcp
+                                       $args[1] = substr($args[1],1);
+                                       if($args[1][strlen($args[1])-1] == "\001")
+                                               $args[1] = substr($args[1],0,-1);
+                                       $ctcpexp = explode(" ",$args[1],2);
+                                       $this->eventHandler->event_chanctcp($user, $channel, strtoupper($ctcpexp[0]), (count($ctcpexp) > 1 ? $ctcpexp[1] : null));
+                               } else
+                                       $this->eventHandler->event_chanmessage($user, $channel, $args[1]);
+                       } else if($args[0][0] == "$") {
+                               //"multicast"
+                               $this->eventHandler->event_privmessage($user, NULL, $args[1]);
+                       } else {
+                               $targetUser = P10_User::getUserByNum($args[0]);
+                               if($targetUser == null) {
+                                       trigger_error("Server tries to send a privmsg to an user that does not exist or was not found on recv_privmsg.", E_USER_WARNING);
+                                       return;
+                               }
+                               if(strlen($args[1]) > 0 && $args[1][0] == "\001") {
+                                       //ctcp
+                                       $args[1] = substr($args[1],1);
+                                       if($args[1][strlen($args[1])-1] == "\001")
+                                               $args[1] = substr($args[1],0,-1);
+                                       $ctcpexp = explode(" ",$args[1],2);
+                                       $this->eventHandler->event_privctcp($user, $targetUser, strtoupper($ctcpexp[0]), (count($ctcpexp) > 1 ? $ctcpexp[1] : null));
+                               } else
+                                       $this->eventHandler->event_privmessage($user, $targetUser, $args[1]);
+                       }
+               }
+       }
+       
+       private function recv_notice($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("Server tries to send a notice from an user that does not exist or was not found on recv_notice.", E_USER_WARNING);
+                       return;
+               }
+               if($this->eventHandler) {
+                       if($args[0][0] == "#") {
+                               $channel = P10_Channel::getChannelByName($args[0]);
+                               if($channel == null)
+                                       $channel = new P10_Channel($args[0]);
+                               if(strlen($args[1]) > 0 && $args[1][0] == "\001") {
+                                       //ctcp
+                                       $args[1] = substr($args[1],1);
+                                       if($args[1][strlen($args[1])-1] == "\001")
+                                               $args[1] = substr($args[1],0,-1);
+                                       $ctcpexp = explode(" ",$args[1],2);
+                                       $this->eventHandler->event_chanctcpreply($user, $channel, strtoupper($ctcpexp[0]), (count($ctcpexp) > 1 ? $ctcpexp[1] : null));
+                               } else
+                                       $this->eventHandler->event_channotice($user, $channel, $args[1]);
+                       } else if($args[0][0] == "$") {
+                               //"multicast"
+                               $this->eventHandler->event_privnotice($user, NULL, $args[1]);
+                       } else {
+                               $targetUser = P10_User::getUserByNum($args[0]);
+                               if($targetUser == null) {
+                                       trigger_error("Server tries to send a notice to an user that does not exist or was not found on recv_notice.", E_USER_WARNING);
+                                       return;
+                               }
+                               if(strlen($args[1]) > 0 && $args[1][0] == "\001") {
+                                       //ctcp
+                                       $args[1] = substr($args[1],1);
+                                       if($args[1][strlen($args[1])-1] == "\001")
+                                               $args[1] = substr($args[1],0,-1);
+                                       $ctcpexp = explode(" ",$args[1],2);
+                                       $this->eventHandler->event_privctcpreply($user, $targetUser, strtoupper($ctcpexp[0]), (count($ctcpexp) > 1 ? $ctcpexp[1] : null));
+                               } else
+                                       $this->eventHandler->event_privnotice($user, $targetUser, $args[1]);
+                       }
+               }
+       }
+       
+       private function recv_whois($from, $args) {
+               /* [get] ACAAF W AX :NetworkServ */
+               $fromUser = P10_User::getUserByNum($from);
+               if($fromUser == null) {
+                       trigger_error("Server tries to send a whois from an user that does not exist or was not found on recv_whois.", E_USER_ERROR);
+                       return;
+               }
+               $users=explode(",",$args[1]);
+               foreach($users as $nick) {
+                       $user = P10_User::getUserByNick($nick);
+                       if(!$user) {
+                               $this->send("401", $from, $nick);
+                               continue;
+                       }
+                       $nick = $user->getNick();
+                       $ident = $user->getIdent();
+                       $hostmask = $user->getHost();
+                       $modes = $user->getModes();
+                       if($modes->hasMode('x')) {
+                               if(($fakehost = $modes->hasMode('f'))) {
+                                       $hostmask = $fakehost;
+                               } elseif(($account = $modes->hasMode('r'))) {
+                                       $hostmask = $account.".".$this->getSetting("his_usermask");
+                               }
+                       }
+                       $realname = $user->getRealname();
+                       $this->send("311", $from , $nick, $ident, $hostmask, $realname);
+                       if(((!$modes->hasMode('n') && !$modes->hasMode('k')) || $from == $user->getNumeric()) && count($user->getChannels()) != 0) {
+                               $channels = "";
+                               foreach($user->getChannels() as $channel) {
+                                       $cmodes = $channel->getModes();
+                                       $privs = $channel->getUserPrivs($user);
+                                       if($cmodes->hasMode("s") && !$fromUser->isOnChannel($channel) && $from != $user->getNumeric()) continue;
+                                       if($cmodes->hasMode("u") && ($privs & (P10_Channel::USERPRIV_OPED | P10_Channel::USERPRIV_VOICE)) == 0 && $from != $user->getNumeric()) continue;
+                                       $chanstr = ($channels == "" ? "" : " ");
+                                       $prefix = "";
+                                       if(($privs & P10_Channel::USERPRIV_OPED)) {
+                                               $prefix = "@";
+                                       } else if(($privs & P10_Channel::USERPRIV_VOICE)) {
+                                               $prefix = "+";
+                                       }
+                                       $chanstr .= $prefix.$channel->getName();
+                                       if(strlen($channels) + strlen($chanstr) > 450) {
+                                               $this->send("319", $from, $nick, $channels);
+                                               $channels = $prefix.$channel->getName();
+                                       }
+                               }
+                               if($channels != "") {
+                                       $this->send("319", $from, $nick, $channels);
+                               }
+                       }
+                       if($fromUser->getModes()->hasMode("o") || $from == $user->getNumeric() || !$this->getSetting("his_name")) {
+                               $this->send("312", $from, $nick, $user->getServer()->getName(), $user->getServer()->getDescription());
+                       } else {
+                               $this->send("312", $from, $nick, $this->getSetting("his_name"), $this->getSetting("his_desc"));
+                       }
+                       if($modes->hasMode("o") && (!$modes->hasMode("H") || $fromUser->getModes()->hasMode("o"))) {
+                               if($modes->hasMode("S")) {
+                                       if($modes->hasMode("D"))
+                                               $this->send("313", $from, $nick, "is a Network Service");
+                                       else
+                                               $this->send("313", $from, $nick, "is an illegal Network Service - HACKER!");
+                               } else
+                                       $this->send("313", $from, $nick, "is an IRC Operator");
+                       }
+                       if(($auth = $modes->hasMode("r"))) {
+                               $this->send("330", $from, $nick, $auth);
+                       }
+               }
+               $this->send("318", $from, $args[1]);
+       }
+       
+       private function recv_away($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null) {
+                       trigger_error("Server tries to send an away command from an user that does not exist or was not found on recv_away.", E_USER_ERROR);
+                       return;
+               }
+               if(count($args) > 0) {
+                       $user->setAway($args[0]);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_away($user, $args[0]);
+               } else {
+                       $user->setAway(null);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_away($user, null);
+               }
+       }
+       
+       private function recv_mode($from, $args) {
+               $user = P10_User::getUserByNum($from);
+               if($user == null && strlen($from) != 2) {
+                       trigger_error("Server tries to send a modechange from an user that does not exist or was not found on recv_mode.", E_USER_ERROR);
+                       return;
+               }
+               $modes = implode(" ",array_slice($args,1));
+               if($args[0][0] == "#") {
+                       $channel = P10_Channel::getChannelByName($args[0]);
+                       if($channel == null)
+                               $channel = new P10_Channel($args[0]);
+                       $channel->getModes()->setModes($modes);
+                       if($this->eventHandler && strlen($from) != 2)
+                               $this->eventHandler->event_chanmode($user, $channel, $modes);
+               } else {
+                       $targetUser = P10_User::getUserByNick($args[0]);
+                       if($targetUser == null) {
+                               trigger_error("Server tries to send a mode to an user that does not exist or was not found on recv_mode.", E_USER_ERROR);
+                               return;
+                       }
+                       $targetUser->getModes()->setModes($modes);
+                       $fakemodes = NULL;
+                       if($targetUser->getModes()->hasMode("x") && $targetUser->getModes()->hasMode("r") && !$targetUser->getModes()->hasMode("f")) {
+                               //user is registered and has umode +x set (automatically assign default fakehost)
+                               $fakemodes = "+f ".$targetUser->getModes()->hasMode("r").".".$this->getSetting("his_usermask");
+                               $targetUser->getModes()->setModes($fakemodes);
+                       }
+                       if($this->eventHandler) {
+                               $this->eventHandler->event_usermode($targetUser, $modes);
+                               if($fakemodes)
+                                       $this->eventHandler->event_usermode($targetUser, $fakemodes);
+                       }
+               }
+       }
+       
+       private function recv_account($from, $args) {
+               $user = P10_User::getUserByNum($args[0]);
+               if($user == null) {
+                       trigger_error("Server tries to send an auth announce from an user that does not exist or was not found on recv_account.", E_USER_ERROR);
+                       return;
+               }
+               $auth = $args[1];
+               $user->getModes()->setModes("+r ".$auth);
+               $fakemodes = NULL;
+               if($user->getModes()->hasMode("x") && !$user->getModes()->hasMode("f")) {
+                       //user is registered and has umode +x set (automatically assign default fakehost)
+                       $fakemodes = "+f ".$auth.".".$this->getSetting("his_usermask");
+                       $user->getModes()->setModes($fakemodes);
+               }
+               if($this->eventHandler) {
+                       $this->eventHandler->event_usermode($user, "+r ".$auth);
+                       if($fakemodes)
+                               $this->eventHandler->event_usermode($user, $fakemodes);
+               }
+       }
+       
+       private function recv_fakehost($from, $args) {
+               $user = P10_User::getUserByNum($args[0]);
+               if($user == null) {
+                       trigger_error("Server tries to send a fakehost change from an user that does not exist or was not found on recv_fakehost.", E_USER_ERROR);
+                       return;
+               }
+               $fakehost = $args[1];
+               $user->getModes()->setModes("+f ".$fakehost);
+               if($this->eventHandler)
+                       $this->eventHandler->event_usermode($user, "+f ".$fakehost);
+       }
+       
+       private function recv_newfakehost($from, $args) {
+               $user = P10_User::getUserByNum($args[0]);
+               if($user == null) {
+                       trigger_error("Server tries to send a fakehost change from an user that does not exist or was not found on recv_fakehost.", E_USER_ERROR);
+                       return;
+               }
+               $fakeident = $args[1];
+               $fakehost = $args[2];
+               $user->setIdent($fakeident);
+               $user->getModes()->setModes("+f ".$fakehost);
+               if($this->eventHandler)
+                       $this->eventHandler->event_usermode($user, "+f ".$fakehost);
        }
        
        /********************************************************************************************
@@ -398,14 +794,288 @@ class Uplink {
                        $ident = $user->getIdent();
                        $host = $user->getHost();
                        $modes = $user->getModes()->getModeString();
-                       $ip = Numerics::numericFromIP($user->getIP());
+                       $ip = $user->getIP()->getNumeric();
                        $numeric = $user->getNumeric();
                        $realname = $user->getRealname();
                        $this->send("N", $nick, $connect_time, $ident, $host, $modes, $ip, $numeric, $realname);
                }
+               foreach(P10_Channel::getChannels() as $channel) {
+                       $privs_to_burst = array('o',                        'h',                          'v'                         );
+                       $priv_values =    array(P10_Channel::USERPRIV_OPED, P10_Channel::USERPRIV_HALFOP, P10_Channel::USERPRIV_VOICE );
+                       $priv_combinations = array();
+                       $sorted_users = array();
+                       $combinations = pow(2, count($privs_to_burst)); //binary possibilities => 2^count($privs_to_burst)
+                       for($i = 0; $i < $combinations; $i++) {
+                               //make a binary number out of $i
+                               $binary = decbin($i);
+                               while(strlen($binary) < count($privs_to_burst))
+                                       $binary = '0'.$binary;
+                               $combination_name = '';
+                               $combination_value = 0;
+                               for($j = 0; $j < count($privs_to_burst); $j++) {
+                                       if($binary[$j] == '1') {
+                                               $combination_name .= $privs_to_burst[$j];
+                                               $combination_value += $priv_values[$j];
+                                       }
+                               }
+                               $priv_combinations[] = array("name" => $combination_name, "value" => $combination_value);
+                               $sorted_users[$combination_value] = array();
+                       }
+                       $local_users = false;
+                       foreach($channel->getUsers() as $user) {
+                               if(substr($user->getNumeric(), 0, 2) != $this->server->getNumeric()) continue; //skip users that are not on the local server
+                               $privs = $channel->getUserPrivs($user);
+                               $local_users = true;
+                               $sorted_users[$privs][] = $user;
+                       }
+                       if(!$local_users) continue;
+                       $userStr = "";
+                       foreach($priv_combinations as $combination) {
+                               $i = 0;
+                               foreach($sorted_users[$combination['value']] as $user) {
+                                       if($userStr != "") $userStr.=",";
+                                       $userStr .= $user->getNumeric();
+                                       if(($i++) == 0 && $combination['value'] > 0) {
+                                               $userStr .= ":".$combination['name'];
+                                       }
+                               }
+                       }
+                       $banString = "";
+                       //TODO: Build ban String
+                       $burstString = "";
+                       $modeString = $channel->getModes()->getModeString();
+                       if($modeString != "+") {
+                               $burstString .= $modeString;
+                       }
+                       if($userStr != "") {
+                               if($burstString != "") $burstString .= " ";
+                               $burstString .= $userStr;
+                       }
+                       if($banString != "") {
+                               if($burstString != "") $burstString .= " ";
+                               $burstString .= ":%".$banString;
+                       }
+                       $this->send("B", $channel->getName(), $channel->getCreateTime(), $burstString);
+               }
                $this->send("EB");
        }
        
+       /********************************************************************************************
+        *                                    LOCAL USER FUNCTIONS                                  *
+        ********************************************************************************************/
+       
+       public function addUser($nick, $ident, $host, $ip, $modes, $realname) {
+               $user = P10_User::getUserByNick($nick);
+               if($user != null) return ERR_NICK_IN_USE;
+               $numeric = substr($this->server->getNumeric(),0,2).Numerics::intToNum($this->last_local_numeric, 3);
+               while(P10_User::getUserByNum($numeric)) {
+                       $this->last_local_numeric++;
+                       $numeric = substr($this->server->getNumeric(),0,2).Numerics::intToNum($this->last_local_numeric, 3);
+               }
+               $this->last_local_numeric++;
+               $modes = new P10_UserModeSet($modes);
+               $ip = new IPAddr($ip);
+               $user = new P10_User($nick, $numeric, $this->server, time(), $ident, $host, $ip, $realname, $modes);
+               if(($this->flags & self::FLAG_CONNECTED)) {
+                       $ip = $user->getIP()->getNumeric();
+                       $this->send("N", $nick, $user->getConnectTime(), $ident, $host, $user->getModes()->getModeString(), $ip, $numeric, $realname);
+               }
+               return $user;
+       }
+       
+       public function delUser($user, $reason) {
+               if(!is_a($user, "P10_User")) return ERR_INVALID_USER;
+               if($user->getServer() === $this->server) {
+                       //local user (QUIT)
+                       $user->quit($reason);
+                       if(($this->flags & self::FLAG_CONNECTED)) 
+                               $this->send("Q", $user->getNumeric(), $reason);
+               } else {
+                       //remote user (KILL)
+                       if(!($this->flags & self::FLAG_CONNECTED)) 
+                               return ERR_NOT_CONNECTED;
+                       if($this->eventHandler)
+                               $this->eventHandler->event_quit($user, "Killed (".$reason.")");
+                       $user->quit("Killed (".$reason.")");
+                       $name = ($this->getSetting('his_name') ? $this->getSetting('his_name') : $this->getSetting('name'));
+
+                       $this->send("D", $user->getNumeric(), $name, $reason);
+               }
+       }
+       
+       public function join($user, $chanName, $privs = 0) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if($chanName[0] != "#")
+                       return ERR_INVALID_CHANNAME;
+               $channel = P10_Channel::getChannelByName($chanName);
+               if($channel == null)
+                       $channel = new P10_Channel($chanName);
+               $channel->joinUser($user);
+               if(($this->flags & self::FLAG_CONNECTED))
+                       $this->send("J", $user->getNumeric(), $chanName, time(), 0);
+               if($privs != 0) {
+                       $channel->setUserPrivs($user, $privs);
+                       if(($this->flags & self::FLAG_CONNECTED)) {
+                               $modestr = "+".(($privs & P10_Channel::USERPRIV_OPED) ? "o" : "").(($privs & P10_Channel::USERPRIV_HALFOP) ? "h" : "").(($privs & P10_Channel::USERPRIV_VOICE) ? "v" : "");
+                               $modestr .= (($privs & P10_Channel::USERPRIV_OPED) ? " ".$user->getNumeric() : "");
+                               $modestr .= (($privs & P10_Channel::USERPRIV_HALFOP) ? " ".$user->getNumeric() : "");
+                               $modestr .= (($privs & P10_Channel::USERPRIV_VOICE) ? " ".$user->getNumeric() : "");
+                               $this->send(($user->getModes()->hasMode('k') ? "M" : "OM"), $user->getNumeric(), $chanName, $modestr);
+                       }
+               }
+               if($this->eventHandler)
+                       $this->eventHandler->event_join($user, $channel, false);
+       }
+       
+       public function part($user, $chanName, $reason) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if(!((is_string($chanName) && $chanName[0] == "#") || is_a($chanName, "P10_Channel")))
+                       return ERR_INVALID_CHANNAME;
+               if(is_a($chanName, "P10_Channel"))
+                       $channel = $chanName;
+               else
+                       $channel = P10_Channel::getChannelByName($chanName);
+               if($channel == null)
+                       $channel = new P10_Channel($chanName);
+               if(!$user->isOnChannel($channel)) 
+                       return ERR_NOT_ON_CHANNEL;
+               if($this->eventHandler)
+                       $this->eventHandler->event_part($user, $channel, $reason);
+               $channel->partUser($user, $reason);
+               if(($this->flags & self::FLAG_CONNECTED))
+                       $this->send("L", $user->getNumeric(), $chanName, $reason);
+       }
+       
+       public function kick($user, $target, $chanName, $reason) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if(!is_a($target, "P10_User"))
+                       return ERR_INVALID_USER;
+               if(!((is_string($chanName) && $chanName[0] == "#") || is_a($chanName, "P10_Channel")))
+                       return ERR_INVALID_CHANNAME;
+               if(is_a($chanName, "P10_Channel"))
+                       $channel = $chanName;
+               else
+                       $channel = P10_Channel::getChannelByName($chanName);
+               if($channel == null)
+                       $channel = new P10_Channel($chanName);
+               if(!$target->isOnChannel($channel)) 
+                       return ERR_NOT_ON_CHANNEL;
+               if($this->eventHandler)
+                       $this->eventHandler->event_kick($user, $target, $channel, $reason);
+               $channel->partUser($target, $reason);
+               if(($this->flags & self::FLAG_CONNECTED))
+                       $this->send("K", $user->getNumeric(), $channel->getName(), $target->getNumeric(), $reason);
+       }
+       
+       public function privmsg($user, $target, $message) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
+                       return ERR_INVALID_USER;
+               if(is_a($target, "P10_Channel"))
+                       $targetStr = $target->getName();
+               else if(is_a($target, "P10_User"))
+                       $targetStr = $target->getNumeric();
+               else if($target[0] == "#")
+                       $targetStr = $target;
+               else
+                       $targetStr = P10_User::getUserByNick($target)->getNumeric();
+               
+               if($this->eventHandler) {
+                       if($targetStr[0] == "#") {
+                               $channel = P10_Channel::getChannelByName($targetStr);
+                               if($channel == null)
+                                       $channel = new P10_Channel($targetStr);
+                               $this->eventHandler->event_chanmessage($user, $channel, $message);
+                       } else {
+                               $targetUser = P10_User::getUserByNum($targetStr);
+                               $this->eventHandler->event_privmessage($user, $targetUser, $message);
+                       }
+               }
+               if(($this->flags & self::FLAG_CONNECTED))
+                       $this->send("P", $user->getNumeric(), $targetStr, $message);
+       }
+       
+       public function notice($user, $target, $message) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
+                       return ERR_INVALID_USER;
+               if(is_a($target, "P10_Channel"))
+                       $targetStr = $target->getName();
+               else if(is_a($target, "P10_User"))
+                       $targetStr = $target->getNumeric();
+               else if($target[0] == "#")
+                       $targetStr = $target;
+               else
+                       $targetStr = P10_User::getUserByNick($target)->getNumeric();
+               
+               if($this->eventHandler) {
+                       if($targetStr[0] == "#") {
+                               $channel = P10_Channel::getChannelByName($targetStr);
+                               if($channel == null)
+                                       $channel = new P10_Channel($targetStr);
+                               $this->eventHandler->event_channotice($user, $channel, $message);
+                       } else {
+                               $targetUser = P10_User::getUserByNum($targetStr);
+                               $this->eventHandler->event_privnotice($user, $targetUser, $message);
+                       }
+               }
+               if(($this->flags & self::FLAG_CONNECTED))
+                       $this->send("O", $user->getNumeric(), $targetStr, $message);
+       }
+       
+       public function mode($user, $target, $modes, $force = false) {
+               if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
+                       return ERR_INVALID_USER;
+               if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
+                       return ERR_INVALID_USER;
+               if(is_a($target, "P10_Channel"))
+                       $targetStr = $target->getName();
+               else if(is_a($target, "P10_User"))
+                       $targetStr = $target->getNumeric();
+               else if($target[0] == "#")
+                       $targetStr = $target;
+               else
+                       $targetStr = P10_User::getUserByNick($target)->getNumeric();
+               
+               if($targetStr[0] == "#") {
+                       $channel = P10_Channel::getChannelByName($targetStr);
+                       if($channel == null)
+                               $channel = new P10_Channel($targetStr);
+                       $modes = $channel->getModes()->setModes($modes, true);
+                       if(($this->flags & self::FLAG_CONNECTED))
+                               $this->send(($force ? "OM" : "M"), $user->getNumeric(), $targetStr, $modes);
+                       if($this->eventHandler)
+                               $this->eventHandler->event_chanmode(($force ? $this->server : $user), $channel, $modes);
+               } else {
+                       $targetUser = P10_User::getUserByNum($targetStr);
+                       if($targetUser->getServer() === $this->server) {
+                               //just do it :D
+                               $modes = $targetUser->getModes()->setModes($modes, true);
+                               if(($this->flags & self::FLAG_CONNECTED))
+                                       $this->send("M", $targetUser->getNumeric(), $targetUser->getNick(), $modes);
+                               if($this->eventHandler)
+                                       $this->eventHandler->event_usermode($targetUser, $modes);
+                       } else {
+                               //SVSMODE
+                               if(($this->flags & self::FLAG_CONNECTED))
+                                       $this->send("SM", $user->getNumeric(), $targetUser->getNumeric(), $modes);
+                       }
+               }
+       }
+       
+       public function ctcp($user, $target, $command, $text) {
+               return $this->privmsg($user, $target, "\001".strtoupper($command)." ".$text."\001");
+       }
+       
+       public function ctcp_reply($user, $target, $command, $text) {
+               return $this->notice($user, $target, "\001".strtoupper($command)." ".$text."\001");
+       }
+       
 }
 
 ?>
\ No newline at end of file