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announce.php
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<?php
/////////////////////////////////////////////////////////////////////////////////////
// xbtit - Bittorrent tracker/frontend
//
// Copyright (C) 2004 - 2013 Btiteam
//
// This file is part of xbtit.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
////////////////////////////////////////////////////////////////////////////////////
ignore_user_abort(1);
$GLOBALS["peer_id"] = "";
$summaryupdate = array();
$BASEPATH=dirname(__FILE__);
require("$BASEPATH/include/config.php");
require("$BASEPATH/include/common.php");
error_reporting(E_ALL ^ E_NOTICE);
// check if we are using standard php tracker or xbtt backend
// if using xbbt we will make a redirect to xbtt announce using
// informations given in config + pid if private
// thank you petr1fied for the code.
if ($XBTT_USE)
{
function implode_with_keys($glue, $array)
{
$output = array();
foreach( $array as $key => $item )
$output[] = $key . "=" . $item;
return implode($glue, $output);
}
if (isset ($_GET["pid"]))
{
$pid = $_GET["pid"];
if (strpos($pid , "?")!==false)
$pid = substr($pid , 0,strpos($pid , "?"));
unset($_GET["pid"]);
}
else
$pid = "";
if (isset($_SERVER['QUERY_STRING']))
$query_string = substr($_SERVER['QUERY_STRING'], strpos($_SERVER['QUERY_STRING'], "?")+1);
else
$query_string=implode_with_keys("&", $_GET);
if ($pid!="") // private announce
{
header("Location: $XBTT_URL/$pid/announce?" . $query_string);
}
else // public
{
header("Location: $XBTT_URL/announce?" . $query_string);
}
exit;
}
// not using xbtt, let us go ;)
// Schedules an update to the table. It gets so much traffic
// that we do all our changes at once.
// When called, the column $column for the current info_hash is incremented
// by $value, or set to exactly $value if $abs is true.
function summaryAdd($column, $value, $abs = false)
{
if (isset($GLOBALS["summaryupdate"][$column]))
{
if (!$abs)
$GLOBALS["summaryupdate"][$column][0] += $value;
else
show_error("Tracker bug calling summaryAdd");
}
else
{
$GLOBALS["summaryupdate"][$column][0] = $value;
$GLOBALS["summaryupdate"][$column][1] = $abs;
}
}
// connect to db
if ($GLOBALS["persist"])
$conres=new mysqli("p:".$dbhost, $dbuser, $dbpass) or show_error("Tracker error - mysql_connect: ".$conres->connect_error);
else
$conres=new mysqli($dbhost, $dbuser, $dbpass) or show_error("Tracker error - mysql_connect: ".$conres->connect_error);
$conres->select_db($database) or show_error("Tracker error - $database - ".$conres->error);
// connection is done ok
function ann_query($x){ global $conres; return $conres->query($x); }
function ann_escape($y){ global $conres; return $conres->real_escape_string($y); }
function ann_error(){ global $conres; return $conres->error; }
function ann_errorno(){ global $conres; return $conres->errno; }
function ann_insert_id(){ global $conres; return $conres->insert_id; }
function ann_affected_rows(){ global $conres; return $conres->affected_rows; }
function ann_num_rows($z){ global $conres; return $z->num_rows; }
if (isset ($_GET["pid"]))
$pid = $_GET["pid"];
else
$pid = "";
if (strpos($pid, "?"))
{
$tmp = substr($pid , strpos($pid , "?"));
$pid = substr($pid , 0,strpos($pid , "?"));
$tmpname = substr($tmp, 1, strpos($tmp, "=")-1);
$tmpvalue = substr($tmp, strpos($tmp, "=")+1);
$_GET[$tmpname] = $tmpvalue;
}
// Many thanks to KktoMx for figuring out this head-ache causer,
// and to bideomex for showing me how to do it PROPERLY... :)
if (get_magic_quotes_gpc())
{
$info_hash = bin2hex(stripslashes($_GET["info_hash"]));
$peer_id = bin2hex(stripslashes($_GET["peer_id"]));
}
else
{
$info_hash = bin2hex($_GET["info_hash"]);
$peer_id = bin2hex($_GET["peer_id"]);
}
$iscompact=(isset($_GET["compact"])?$_GET["compact"]=='1':false);
include($BASEPATH.'/index.begin.php');
header("Content-type: text/plain");
header("Pragma: no-cache");
// Error: no web browsers allowed
$agent = ann_escape($_SERVER["HTTP_USER_AGENT"]);
// Deny access made with a browser...
if (preg_match("/^Mozilla|^Opera|^Links|^Lynx/i", $agent))
{
header("HTTP/1.0 500 Bad Request");
die("This application can't be loaded into a browser");
}
if($btit_settings["fmhack_ban_client"]=="enabled")
{
$sqlquery ="SELECT client_name, reason ";
$sqlquery.="FROM {$TABLE_PREFIX}bannedclient ";
$sqlquery.="WHERE peer_id='".substr($peer_id, 0, 16)."' ";
$sqlquery.=" OR peer_id='".substr($peer_id, 0, 6)."'";
// Check if client is banned
$client_ban=ann_query($sqlquery)->fetch_array();
if($client_ban)
show_error("I'm sorry, $client_ban[0] is banned from this tracker (".stripslashes($client_ban[1]).")");
}
// check if al needed information is sent by the client
if (!isset($_GET["port"]) || !isset($_GET["downloaded"]) || !isset($_GET["uploaded"]) || !isset($_GET["left"]))
show_error("Invalid information received from BitTorrent client");
$port = $_GET["port"];
$ip = getip();
// IP Banned ??
$nip = ip2long($ip);
$res = ann_query("SELECT * FROM {$TABLE_PREFIX}bannedip WHERE $nip >= first AND $nip <= last") or show_error("Invalid IP information.");
if (ann_num_rows($res) > 0)
{
show_error("You are not authorized to use this tracker (".$SITENAME.") -- Your IP address (".$ip.") is BANNED.");
die();
}
// end banned IP
// only for internal tracked torrent!
$res_tor =ann_query("SELECT UNIX_TIMESTAMP(data) as data, uploader FROM {$TABLE_PREFIX}files WHERE external='no' AND info_hash='".$info_hash."'");
if (ann_num_rows($res_tor)==0)
show_error("Torrent is not authorized for use on this tracker.");
$downloaded = (float)($_GET["downloaded"]);
$real_downloaded = $downloaded;
$uploaded = (float)($_GET["uploaded"]);
$real_uploaded = $uploaded;
$left = (float)($_GET["left"]);
// Gold & Silver torrents / Free Leech / Upload Multiplier
function checkGold($info_hash, $downloaded=0, $uploaded=0)
{
global $TABLE_PREFIX, $btit_settings;
if($btit_settings["fmhack_gold_and_silver_torrents"]=="enabled" || $btit_settings["fmhack_free_leech_with_happy_hour"]=="enabled" || $btit_settings["fmhack_upload_multiplier"]=="enabled")
{
$re=ann_query("SELECT f.`gold`, f.`free`, f.`happy`, f.`multiplier`, `g`.`gold_percentage`, `g`.`silver_percentage`, `g`.`bronze_percentage` FROM `{$TABLE_PREFIX}files` `f`, `{$TABLE_PREFIX}gold` `g` WHERE `f`.`info_hash`='".$info_hash."' AND `g`.`id`=1");
$gold=$re->fetch_assoc();
if($btit_settings["fmhack_gold_and_silver_torrents"]=="enabled" || $btit_settings["fmhack_free_leech_with_happy_hour"]=="enabled")
{
if($gold['free']=="yes" || $gold['happy']=="yes")
$downloaded = 0;
else
{
if ($gold['gold']==1)
{
// silver torrent
$division_factor=(($gold["silver_percentage"]>0)?(100/$gold["silver_percentage"]):0);
$downloaded=(($division_factor>0)?(($downloaded>0)?floor((float)($downloaded/$division_factor)):0):0);
}
elseif($gold['gold']==2)
{
// gold torrent
$division_factor=(($gold["gold_percentage"]>0)?(100/$gold["gold_percentage"]):0);
$downloaded=(($division_factor>0)?(($downloaded>0)?floor((float)($downloaded/$division_factor)):0):0);
}
elseif($gold['gold']==3)
{
// bronze torrent
$division_factor=(($gold["bronze_percentage"]>0)?(100/$gold["bronze_percentage"]):0);
$downloaded=(($division_factor>0)?(($downloaded>0)?floor((float)($downloaded/$division_factor)):0):0);
}
}
}
if($btit_settings["fmhack_upload_multiplier"]=="enabled")
{
if($gold["multiplier"]>1)
$uploaded=(float)($uploaded*$gold["multiplier"]);
}
}
return array("uploaded"=>$uploaded,"downloaded"=>$downloaded);
}
if($btit_settings["fmhack_gold_and_silver_torrents"]=="enabled" || $btit_settings["fmhack_free_leech_with_happy_hour"]=="enabled" || $btit_settings["fmhack_upload_multiplier"]=="enabled")
{
$modifier=checkGold($info_hash, $downloaded, $uploaded);
$downloaded=$modifier["downloaded"];
$uploaded=$modifier["uploaded"];
}
// End Gold & Silver torrents / Free Leech
// if private announce turned on
if ($PRIVATE_ANNOUNCE)
{
$pid = AddSlashes(StripSlashes($pid));
// if PID empty string or not send by client
if ($pid=="" || !$pid)
show_error("Please redownload the torrent. PID system is active and pid was not found in the torrent");
}
$query1_select="";
$query1_join="";
if($btit_settings["fmhack_torrents_limit"]=="enabled")
$query1_select.="`ul`.`torrents_limit`,";
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled")
{
$query1_select.="`h`.`block_leech`,";
$query1_join.="LEFT JOIN `{$TABLE_PREFIX}hnr` `h` ON `u`.`id_level`=`h`.`id_level` ";
}
// PID turned on
if ($PRIVATE_ANNOUNCE)
{
$respid = ann_query("SELECT ".$query1_select." `u`.*, `ul`.`level`, `ul`.`can_download`, `ul`.`WT`, `ul`.`freeleech` FROM `{$TABLE_PREFIX}users` `u` LEFT JOIN `{$TABLE_PREFIX}users_level` `ul` on `u`.`id_level`=`ul`.`id` ".$query1_join." WHERE `u`.`pid`='".$pid."' LIMIT 1");
if (!$respid || ann_num_rows($respid)!=1)
show_error("Invalid PID (private announce): $pid. Please redownload torrent from $BASEURL.");
else
{
$rowpid=$respid->fetch_assoc();
if($btit_settings["fmhack_freeleech_slots"]=="enabled" && !empty($rowpid["freeleech_slot_hashes"]) && $downloaded>0)
{
$hashes=explode(",", $rowpid["freeleech_slot_hashes"]);
if(isset($hashes) && is_array($hashes) && in_array($info_hash, $hashes))
$downloaded=0;
}
if($btit_settings["fmhack_VIP_freeleech"]=="enabled" && $rowpid["freeleech"]=="yes" && $downloaded>0)
{
$downloaded=0;
}
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled" && !is_null($rowpid["block_leech"]) && $rowpid["block_leech"]>0)
{
if ($rowpid["hnr_count"]>=$rowpid["block_leech"] && $left>0)
{
show_error("Sorry ".$row["username"].", due to Hitting & Running you are only allowed to seed!");
die();
}
}
if($btit_settings["fmhack_ban_button"]=="enabled")
{
if ($rowpid["ban"]=="yes")
{
show_error("You are not authorized to use this tracker (".$SITENAME.") -- You are BANNED.");
die();
}
}
if ($rowpid["can_download"]!="yes" && $PRIVATE_ANNOUNCE)
show_error("Sorry your level ({$rowpid['level']}) is not allowed to download from $BASEURL.");
//waittime
elseif ($rowpid["WT"]>0)
{
$wait=0;
if (intval($rowpid['downloaded'])>0)
$ratio=number_format($rowpid['uploaded']/$rowpid['downloaded'],2);
else
$ratio=0.0;
$added=$res_tor->fetch_assoc();
$vz = $added["data"];
$timer = floor((time() - $vz) / 3600);
if($ratio<1.0 && $rowpid['id']!=$added["uploader"])
{
if($btit_settings["fmhack_enhanced_wait_time"]=="enabled")
{
if($rowpid["custom_wait_time"]=="yes")
$wait=$rowpid["php_cust_wait_time"];
else
$wait=$rowpid["WT"];
}
else
$wait=$rowpid["WT"];
}
$wait -=$timer;
if ($wait<=0)
$wait=0;
elseif($wait!=0 && $left!=0)
show_error($rowpid["username"]." your Waiting Time = ".$wait." h");
}
//end
if($btit_settings["fmhack_torrents_limit"]=="enabled")
{
$group_max=$rowpid["torrents_limit"];
$custom_enabled=$rowpid["custom_torr_limit"];
$custom_max=$rowpid["php_cust_torr_limit"];
/*if($group_max==0)
$group_max=9999;
if($custom_enabled && $custom_max==0)
$custom_max=9999;*/
$petr1=ann_query("SELECT COUNT(*) `count` FROM `{$TABLE_PREFIX}peers` WHERE `pid`='".$pid."' AND `infohash`!='".$info_hash."' AND `status`='leecher'");
if(@ann_num_rows($petr1)>0)
{
$fied=$petr1->fetch_assoc();
$torrcount=$fied["count"];
}
else
$torrcount=0;
if($custom_enabled=="yes")
{
if($torrcount>=$custom_max && $left>0)
show_error($rowpid["username"].", you can only leech $custom_max torrent".(($custom_max==1)?"":"s")." at any one time!");
}
else
{
if($torrcount>=$group_max && $left>0)
show_error($rowpid["username"].", you can only leech $group_max torrent".(($group_max==1)?"":"s")." at any one time!");
}
}
}
}
else
{
// PID turned off
$respid = ann_query("SELECT ".$query1_select." `u`.*, `ul`.`level`, `ul`.`can_download`, `ul`.`WT`, `ul`.`freeleech` FROM `{$TABLE_PREFIX}users` `u` LEFT JOIN `{$TABLE_PREFIX}users_level` `ul` ON `u`.`id_level`=`ul`.`id` ".$query1_join." WHERE `u`.`cip`='$ip' LIMIT 1");
if (!$respid || ann_num_rows($respid)!=1)
// maybe it's guest with new query I must found at least guest user
$respid = ann_query("SELECT ".$query1_select." `u`.*, `ul`.`level`, `ul`.`can_download`, `ul`.`WT` FROM `{$TABLE_PREFIX}users` `u` LEFT JOIN `{$TABLE_PREFIX}users_level` `ul` ON `u`.`id_level`=`ul`.`id` ".$query1_join." WHERE `u`.`id`=1 LIMIT 1");
if (!$respid || ann_num_rows($respid)!=1)
{
// do nothing but tracker is misconfigured!!!
// guest user not found...
}
else
{
$rowpid=$respid->fetch_assoc();
if($btit_settings["fmhack_freeleech_slots"]=="enabled" && !empty($rowpid["freeleech_slot_hashes"]) && $downloaded>0)
{
$hashes=explode(",", $rowpid["freeleech_slot_hashes"]);
if(isset($hashes) && is_array($hashes) && in_array($info_hash, $hashes))
$downloaded=0;
}
if($btit_settings["fmhack_VIP_freeleech"]=="enabled" && $rowpid["freeleech"]=="yes" && $downloaded>0)
{
$downloaded=0;
}
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled" && !is_null($rowpid["block_leech"]))
{
if ($rowpid["hnr_count"]>=$rowpid["block_leech"] && $left>0)
{
show_error("Sorry ".$row["username"].", due to Hitting & Running you are only allowed to seed!");
die();
}
}
if($btit_settings["fmhack_ban_button"]=="enabled")
{
if ($rowpid["ban"]=="yes")
{
show_error("You are not authorized to use this tracker (".$SITENAME.") -- You are BANNED.");
die();
}
}
if ($rowpid["can_download"]!="yes")
show_error("Sorry your level ({$rowpid['level']}) is not allowed to download from $BASEURL.");
//waittime
elseif ($rowpid["WT"]>0)
{
$wait=0;
if (intval($rowpid['downloaded'])>0)
$ratio=number_format($rowpid['uploaded']/$rowpid['downloaded'],2);
else
$ratio=0.0;
$added=$res_tor->fetch_assoc();
$vz = $added["data"];
$timer = floor((time() - $vz) / 3600);
if($ratio<1.0 && $rowpid['id']!=$added["uploader"])
{
if($btit_settings["fmhack_enhanced_wait_time"]=="enabled")
{
if($rowpid["custom_wait_time"]=="yes")
$wait=$rowpid["php_cust_wait_time"];
else
$wait=$rowpid["WT"];
}
else
$wait=$rowpid["WT"];
}
$wait -=$timer;
if ($wait<=0)
$wait=0;
elseif($wait!=0 && $left!=0)
show_error($rowpid["username"]." your Waiting Time = ".$wait." h");
}
//end
if($btit_settings["fmhack_torrents_limit"]=="enabled")
{
$group_max=$rowpid["torrents_limit"];
$custom_enabled=$rowpid["custom_torr_limit"];
$custom_max=$rowpid["php_cust_torr_limit"];
if($group_max==0)
$group_max=9999;
if($custom_enabled && $custom_max==0)
$custom_max=9999;
$petr1=ann_query("SELECT COUNT(*) `count` FROM `{$TABLE_PREFIX}peers` WHERE `ip`='".$ip."' AND `infohash`!='".$info_hash."' AND `status`='leecher'");
if(@ann_num_rows($petr1)>0)
{
$fied=$petr1->fetch_assoc();
$torrcount=$fied["count"];
}
else
$torrcount=0;
if($custom_enabled=="yes")
{
if($torrcount>=$custom_max)
show_error($rowpid["username"].", you can only leech $custom_max torrent".(($custom_max==1)?"":"s")." at any one time!");
}
else
{
if($torrcount>=$group_max)
show_error($rowpid["username"].", you can only leech $group_max torrent".(($group_max==1)?"":"s")." at any one time!");
}
}
}
}
if (isset($_GET["event"]))
$event = $_GET["event"];
else
$event = "";
if (!isset($GLOBALS["ip_override"]))
$GLOBALS["ip_override"] = true;
if (isset($_GET["numwant"]))
if ($_GET["numwant"] < $GLOBALS["maxpeers"] && $_GET["numwant"] >= 0)
$GLOBALS["maxpeers"]=$_GET["numwant"];
if (isset($_GET["trackerid"]))
{
if (is_numeric($_GET["trackerid"]))
$GLOBALS["trackerid"] = ann_escape($_GET["trackerid"]);
}
if (!is_numeric($port) || !is_numeric($downloaded) || !is_numeric($uploaded) || !is_numeric($left))
show_error("Invalid numerical field(s) from client");
/////////////////////////////////////////////////////
// Checks
// Upgrade holdover: check for unset directives
if (!isset($GLOBALS["countbytes"]))
$GLOBALS["countbytes"] = true;
/* Returns true if the user is firewalled, NAT'd, or whatever.
* The original tracker had its --nat_check parameter, so
* here is my version.
*/
function isFireWalled($hash, $peerid, $ip, $port)
{
// NAT checking off?
if (!$GLOBALS["NAT"])
return false;
$protocol_name = 'BitTorrent protocol';
$theError = "";
// Hoping 10 seconds will be enough
$fd = fsockopen($ip, $port, $errno, $theError, 10);
if (!$fd)
return true;
fclose($fd);
return false;
}
// Returns info on one peer
function getPeerInfo($user, $hash)
{
global $TABLE_PREFIX;
// If "trackerid" is set, let's try that
if (isset($GLOBALS["trackerid"]))
{
$query = "SELECT peer_id,bytes,ip,port,status,lastupdate,sequence FROM {$TABLE_PREFIX}peers WHERE sequence=\"".$GLOBALS["trackerid"]."\" AND infohash=\"$hash\"";
$results = ann_query($query) or show_error("Tracker error: invalid torrent");
$data = $results->fetch_assoc();
if (!$data || $data["peer_id"] != $user)
{
// Damn, but don't crash just yet.
$query = "SELECT peer_id,bytes,ip,port,status,lastupdate,sequence from {$TABLE_PREFIX}peers where peer_id=\"$user\" AND infohash=\"$hash\"";
$results = ann_query($query) or show_error("Tracker error: invalid torrent");
$data = $results->fetch_assoc();
}
}
else
{
$query = "SELECT peer_id,bytes,ip,port,status,lastupdate,sequence from {$TABLE_PREFIX}peers where peer_id=\"$user\" AND infohash=\"$hash\"";
$results = ann_query($query) or show_error("Tracker error: invalid torrent");
$data = $results->fetch_assoc();
}
if (!($data))
return false;
$GLOBALS["trackerid"] = $data["sequence"];
return $data;
}
/////////////////////////////////////////////////////
// Any section of code might need to make a new peer, so this is a function here.
// I don't want to put it into funcsv2, even though it should, just for consistency's sake.
function start($info_hash, $ip, $port, $peer_id, $left, $downloaded=0, $uploaded=0, $real_downloaded=0, $real_uploaded=0, $upid="")
{
global $BASEURL, $TABLE_PREFIX, $btit_settings, $PRIVATE_ANNOUNCE;
if (isset($_GET["ip"]) && $GLOBALS["ip_override"])
{
// compact check: valid IP address:
if ($_GET["ip"]!=long2ip(ip2long($_GET["ip"])))
show_error("Invalid IP address. Must be standard dotted decimal (hostnames not allowed)");
$ip = ann_escape($_GET["ip"]);
}
else
$ip = getip();
$ip = ann_escape($ip);
$agent = ann_escape($_SERVER["HTTP_USER_AGENT"]);
$remotedns = gethostbyaddr($ip);
if (isset($_GET["ip"])) $nuIP = $_GET["ip"];
else $nuIP = "";
if ($remotedns == $nuIP)
$remotedns = "AA";
else
{
$remotedns = strtoupper($remotedns);
preg_match('/^(.+)\.([A-Z]{2,3})$/', $remotedns, $tldm);
if (!empty($tldm[2]))
$remotedns = ann_escape($tldm[2]);
else
$remotedns = "AA";
}
if ($left == 0)
$status = "seeder";
else
$status = "leecher";
if (@isFireWalled($info_hash, $peer_id, $ip, $port))
$nat = "Y";
else
$nat = "N";
$compact = ann_escape(str_pad(pack('Nn', ip2long($ip), $port),6));
$peerid = ann_escape('2:ip' . strlen($ip) . ':' . $ip . '7:peer id20:' . hex2bin($peer_id) . "4:porti{$port}e");
$no_peerid = ann_escape('2:ip' . strlen($ip) . ':' . $ip . "4:porti{$port}e");
$results = @ann_query("INSERT INTO {$TABLE_PREFIX}peers SET infohash=\"$info_hash\", peer_id=\"$peer_id\", port=\"$port\", ip=\"$ip\", lastupdate=UNIX_TIMESTAMP(), bytes=\"$left\", status=\"$status\", natuser=\"$nat\", client=\"$agent\", dns=\"$remotedns\", downloaded=$downloaded, uploaded=$uploaded, real_downloaded=$real_downloaded, real_uploaded=$real_uploaded, pid=\"$upid\"");
// Special case: duplicated peer_id.
if (!$results)
{
if (ann_errorno()==1062)
{
// Duplicate peer_id! Check IP address
$peer = getPeerInfo($peer_id, $info_hash);
if ($ip == $peer["ip"])
{
// Same IP address. Tolerate this error.
return "WHERE natuser='N'";
}
// Different IP address. Assume they were disconnected, and alter the IP address.
ann_query("UPDATE {$TABLE_PREFIX}peers SET ip=\"$ip\", compact=\"$compact\", with_peerid=\"$peerid\", without_peerid=\"$no_peerid\" WHERE peer_id=\"$peer_id\" AND infohash=\"$info_hash\"");
return "WHERE natuser='N'";
}
error_log("BtiTracker: start: ".ann_error());
show_error("Tracker/database error. The details are in the error log.");
}
$GLOBALS["trackerid"] = ann_insert_id();
@ann_query("UPDATE {$TABLE_PREFIX}peers SET sequence=\"".$GLOBALS["trackerid"]."\", compact=\"$compact\", with_peerid=\"$peerid\", without_peerid=\"$no_peerid\" WHERE peer_id=\"$peer_id\" AND infohash=\"$info_hash\"");
if ($left == 0)
{
summaryAdd("seeds", 1);
return "WHERE status=\"leecher\" AND natuser='N'";
}
else
{
summaryAdd("leechers", 1);
return "WHERE natuser='N'";
}
}
/// End of function start
// default for max peers with same pid/ip
if (!isset($GLOBALS["maxseeds"])) $GLOBALS["maxseeds"]=2;
if (!isset($GLOBALS["maxleech"])) $GLOBALS["maxleech"]=2;
// send random peers to client (direct print)
function sendRandomPeers($info_hash)
{
global $TABLE_PREFIX;
//if ($GLOBALS["NAT"])
//$where="WHERE infohash=\"$info_hash\" AND natuser = 'N'";
//else
$where="WHERE infohash=\"$info_hash\"";
$query = "SELECT ".((isset($_GET["no_peer_id"]) && $_GET["no_peer_id"] == 1) ? "" : "peer_id,")."ip, port FROM {$TABLE_PREFIX}peers ".$where." ORDER BY RAND() LIMIT ".$GLOBALS["maxpeers"];
echo "d";
echo "8:intervali".$GLOBALS["report_interval"]."e";
if (isset($GLOBALS["min_interval"]))
echo "12:min intervali".$GLOBALS["min_interval"]."e";
echo "5:peers";
$result = @ann_query($query) or show_error("Trouble requesting peers from tracker.");
if (isset($_GET["compact"]) && $_GET["compact"] == '1')
{
$p='';
while ($row = $result->fetch_assoc())
$p .= str_pad(pack("Nn", ip2long($row["ip"]), $row["port"]), 6);
echo strlen($p).':'.$p;
}
else // no_peer_id or no feature supported
{
echo 'l';
while ($row = $result->fetch_assoc())
{
echo "d2:ip".strlen($row["ip"]).":".$row["ip"];
if (isset($row["peer_id"]))
echo "7:peer id20:".hex2bin($row["peer_id"]);
echo "4:porti".$row["port"]."ee";
}
echo "e";
}
if (isset($GLOBALS["trackerid"]))
echo "10:tracker id".strlen($GLOBALS["trackerid"]).":".$GLOBALS["trackerid"];
echo "e";
$result->free();
}
// Deletes a peer from the system and performs all cleaning up
//
// $assumepeer contains the result of getPeerInfo, or false
// if we should grab it ourselves.
function killPeer($userid, $hash, $left, $assumepeer = false)
{
global $TABLE_PREFIX;
if (!$assumepeer)
{
$peer = getPeerInfo($userid, $hash);
if (!$peer)
return;
if ($left != $peer["bytes"])
$bytes = bcsub($peer["bytes"], $left);
else
$bytes = 0;
}
else
{
$bytes = 0;
$peer = $assumepeer;
}
ann_query("DELETE FROM {$TABLE_PREFIX}peers WHERE peer_id=\"$userid\" AND infohash=\"$hash\"");
if (ann_affected_rows() == 1)
{
if ($peer["status"] == "leecher")
summaryAdd("leechers", -1);
else
summaryAdd("seeds", -1);
if ($GLOBALS["countbytes"] && ((float)$bytes) > 0)
summaryAdd("dlbytes",$bytes);
if ($peer["bytes"] != 0 && $left == 0)
summaryAdd("finished", 1);
summaryAdd("lastcycle", "UNIX_TIMESTAMP()", true);
}
}
// Transfers bytes from "left" to "dlbytes" when a peer reports in.
function collectBytes($peer, $hash, $left, $downloaded=0, $uploaded=0, $real_downloaded=0, $real_uploaded=0, $pid="")
{
global $TABLE_PREFIX, $btit_settings;
$peerid=$peer["peer_id"];
################################################################################################
# Speed stats in peers with filename
$row=ann_query("SELECT lastupdate, uploaded, downloaded FROM {$TABLE_PREFIX}peers WHERE infohash=\"$hash\" AND " . (isset($GLOBALS["trackerid"]) ? "sequence=\"${GLOBALS["trackerid"]}\"" : "peer_id=\"$peerid\""))->fetch_assoc();
$annint=time()-$row["lastupdate"];
$updiff=$uploaded-$row["uploaded"];
$dldiff=$downloaded-$row["downloaded"];
# End
################################################################################################
if (!$GLOBALS["countbytes"])
{
################################################################################################
# Speed stats in peers with filename
ann_query("UPDATE {$TABLE_PREFIX}peers SET lastupdate=UNIX_TIMESTAMP(), downloaded=$downloaded, uploaded=$uploaded, real_downloaded=$real_downloaded, real_uploaded=$real_uploaded, pid=\"$pid\", announce_interval=$annint, upload_difference=$updiff, download_difference=$dldiff where infohash=\"$hash\" AND " . (isset($GLOBALS["trackerid"]) ? "sequence=\"{$GLOBALS["trackerid"]}\"" : "peer_id=\"$peerid\""));
# End
################################################################################################
return;
}
$diff = bcsub($peer["bytes"], $left);
################################################################################################
# Speed stats in peers with filename
ann_query("UPDATE {$TABLE_PREFIX}peers set " . (($diff != 0) ? "bytes=\"$left\"," : ""). " lastupdate=UNIX_TIMESTAMP(), downloaded=$downloaded, uploaded=$uploaded, real_downloaded=$real_downloaded, real_uploaded=$real_uploaded, pid=\"$pid\", announce_interval=$annint, upload_difference=$updiff, download_difference=$dldiff where infohash=\"$hash\" AND " . (isset($GLOBALS["trackerid"]) ? "sequence=\"".$GLOBALS["trackerid"]."\"" : "peer_id=\"$peerid\""));
# End
################################################################################################
// Anti-negative clause
if (((float)$diff) > 0)
summaryAdd("dlbytes", $diff);
}
function runSpeed($info_hash, $delta)
{
global $TABLE_PREFIX;
//stick in our latest data before we calc it out
ann_query("INSERT IGNORE INTO {$TABLE_PREFIX}timestamps (info_hash, bytes, delta, sequence) SELECT '$info_hash' AS info_hash, dlbytes, UNIX_TIMESTAMP() - lastSpeedCycle, NULL FROM {$TABLE_PREFIX}files WHERE info_hash=\"$info_hash\"");
// mysql blows sometimes so we have to read the data into php before updating it
$results = ann_query('SELECT (MAX(bytes)-MIN(bytes))/SUM(delta), COUNT(*), MIN(sequence) FROM '.$TABLE_PREFIX.'timestamps WHERE info_hash="'.$info_hash.'"');
$data = $results->fetch_row();
summaryAdd("speed", $data[0], true);
summaryAdd("lastSpeedCycle", "UNIX_TIMESTAMP()", true);
// if we have more than 20 drop the rest
if ($data[1] == 21)
ann_query("DELETE FROM {$TABLE_PREFIX}timestamps WHERE info_hash=\"$info_hash\" AND sequence={$data[2]}");
else if ($data[1] > 21)
// This query requires MySQL 4.0.x, but should rarely be used.
ann_query('DELETE FROM '.$TABLE_PREFIX.'timestamps WHERE info_hash="'.$info_hash.'" ORDER BY sequence LIMIT '.($data['1'] - 20));
}
// select how many users with same pid or ip
$results = ann_query("SELECT status, count(status) FROM {$TABLE_PREFIX}peers WHERE ".($PRIVATE_ANNOUNCE?"pid=\"$pid\"":"ip=\"$ip\"")." AND infohash=\"$info_hash\" AND peer_id<>\"$peer_id\" GROUP BY status") or show_error("Tracker error: invalid torrent");
$status = array();
while ($resstat = $results->fetch_row())
$status[$resstat[0]]=$resstat[1];
if (!isset($status["leecher"]))
$status["leecher"]=0;
if (!isset($status["seeder"]))
$status["seeder"]=0;
if ($status["seeder"]>=$GLOBALS["maxseeds"] || $status["leecher"]>=$GLOBALS["maxleech"])
show_error("Sorry max peers reached! Redownload torrent from $BASEURL");
// end select
unset($status);
$results->free();
// UPDATE users ratio down/up for every event on every announce
// only with the difference between stored down/up and sended by client
if ($LIVESTATS)
{
$resstat = ann_query("SELECT `uploaded`, `downloaded`, `real_downloaded`, `real_uploaded` FROM `{$TABLE_PREFIX}peers` WHERE ".(($PRIVATE_ANNOUNCE)?"`pid`='".$pid."'":"`ip`='".$ip."'")." AND `infohash`='".$info_hash."' AND `peer_id`='".$peer_id."'");
if ($resstat && ann_num_rows($resstat)>0)
{
$livestat=$resstat->fetch_assoc();
$newup=max(0,($uploaded-$livestat["uploaded"]));
$real_newup=max(0,($real_uploaded-$livestat["real_uploaded"]));
$newdown=max(0,($downloaded-$livestat["downloaded"]));
$real_newdown=max(0,($real_downloaded-$livestat["real_downloaded"]));
if($newdown>0 && $newdown>$real_newdown)
$newdown=$real_newdown;
if($newup==0 && $real_newup>0)
$newup=$real_newup;
ann_query("UPDATE {$TABLE_PREFIX}users SET downloaded=IFNULL(downloaded,0)+$newdown, uploaded=IFNULL(uploaded,0)+$newup WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'")."");
}
$resstat->free();
// begin history - also this is registered live or not
if ($LOG_HISTORY)
{
$resu=ann_query("SELECT id FROM {$TABLE_PREFIX}users WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'") ." ORDER BY lastconnect DESC LIMIT 1");
// if found at least one user should be 1
if ($resu && ann_num_rows($resu)==1)
{
$curuid=$resu->fetch_assoc();
$logres="";
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled" && $left >0)
{
$logres=", `completed`='no', `seed`=0";
}
else {
$logres=", `completed='yes'";
}
ann_query("UPDATE {$TABLE_PREFIX}history set uploaded=IFNULL(uploaded,0)+$newup, downloaded=IFNULL(downloaded,0)+$newdown".$logres." WHERE uid=".$curuid["id"]." AND infohash='$info_hash'");
}
$resu->free();
}
// end history
}
switch ($event)
{
// client sent start
case "started":
$start = start($info_hash, $ip, $port, $peer_id, $left, $downloaded, $uploaded, $real_downloaded, $real_uploaded, $pid);
sendRandomPeers($info_hash);
// begin history
if ($LOG_HISTORY)
{
$resu=ann_query("SELECT id FROM {$TABLE_PREFIX}users WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'") ." ORDER BY lastconnect DESC LIMIT 1");
// if found at least one user should be 1
if ($resu && ann_num_rows($resu)==1)
{
$curuid=$resu->fetch_assoc();
ann_query("UPDATE {$TABLE_PREFIX}history set date=UNIX_TIMESTAMP(), active='yes', agent='".getagent($agent,$peer_id)."' WHERE uid=".$curuid["id"]." AND infohash='$info_hash'");
// record is not present, create it (only if not seeder: original seeder don't exist in history table, other already exists)
if (ann_affected_rows()==0 && $left >0)
{
if($btit_settings["fmhack_torrent_times"]=="enabled")
{
$query_sel=", `started_time`";
$query_whe=", UNIX_TIMESTAMP()";
}
ann_query("INSERT INTO {$TABLE_PREFIX}history (uid,date,infohash,active,agent{$query_sel}) VALUES (".$curuid["id"].",UNIX_TIMESTAMP(),'$info_hash','yes','".getagent($agent,$peer_id)."'{$query_whe})");
}
}
$resu->free();
}
// end history
break;
// client sent stop
case "stopped":
killPeer($peer_id, $info_hash, $left);
sendRandomPeers($info_hash);
// update user uploaded/downloaded
if (!$LIVESTATS)
@ann_query("UPDATE {$TABLE_PREFIX}users SET uploaded=IFNULL(uploaded,0)+$uploaded, downloaded=IFNULL(downloaded,0)+$downloaded, real_uploaded=IFNULL(real_uploaded,0)+$real_uploaded, real_downloaded=IFNULL(real_downloaded,0)+$real_downloaded WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'")." AND id>1 LIMIT 1");
// begin history - if LIVESTAT, only the active/agent part
if ($LOG_HISTORY)
{
$resu=ann_query("SELECT id FROM {$TABLE_PREFIX}users WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'") ." ORDER BY lastconnect DESC LIMIT 1");
// if found at least one user should be 1
if ($resu && ann_num_rows($resu)==1)
{
$curuid=$resu->fetch_assoc();
ann_query("UPDATE {$TABLE_PREFIX}history set date=UNIX_TIMESTAMP(),active='no',".($LIVESTATS?"":" uploaded=IFNULL(uploaded,0)+$uploaded, downloaded=IFNULL(downloaded,0)+$downloaded,")." agent='".getagent($agent,$peer_id)."' WHERE uid=".$curuid["id"]." AND infohash='$info_hash'");
}
$resu->free();
}
// end history
break;
// client sent complete
case "completed":
$peer_exists = getPeerInfo($peer_id, $info_hash);
if (!is_array($peer_exists))
start($info_hash, $ip, $port, $peer_id, $left, $downloaded, $uploaded, $real_downloaded, $real_uploaded, $pid);
else
{
ann_query("UPDATE {$TABLE_PREFIX}peers SET bytes=0, status=\"seeder\", lastupdate=UNIX_TIMESTAMP(), downloaded=$downloaded, uploaded=$uploaded, real_downloaded=$real_downloaded, real_uploaded=$real_uploaded, pid=\"$pid\" WHERE sequence=\"".$GLOBALS["trackerid"]."\" AND infohash=\"$info_hash\"");
// Race check
if (ann_affected_rows() == 1)
{
summaryAdd("leechers", -1);
summaryAdd("seeds", 1);
summaryAdd("finished", 1);
summaryAdd("lastcycle", "UNIX_TIMESTAMP()", true);
}
else
collectBytes($peer_exists, $info_hash, $left, $downloaded, $uploaded, $real_downloaded, $real_uploaded, $pid);
}
sendRandomPeers($info_hash);
// begin history
if ($LOG_HISTORY)
{
$resu=ann_query("SELECT id FROM {$TABLE_PREFIX}users WHERE ".($PRIVATE_ANNOUNCE?"pid='$pid'":"cip='$ip'") ." ORDER BY lastconnect DESC LIMIT 1");
// if found at least one user should be 1
if ($resu && ann_num_rows($resu)==1)
{
$curuid=$resu->fetch_assoc();
// if user has already completed this torrent, mysql will give error because of unique index (uid+infohash)
// upload/download will be updated on stop event...
// record should already exist (created on stated event)
$query_upd="";
if($btit_settings["fmhack_torrent_times"]=="enabled")
{
$query_upd.=", `completed_time`=UNIX_TIMESTAMP()";
}
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled")
{
$query_upd.=", `completed`='yes'";
}
ann_query("UPDATE {$TABLE_PREFIX}history SET date=UNIX_TIMESTAMP(),active='yes',agent='".getagent($agent,$peer_id)."'".$query_upd." WHERE uid=".$curuid["id"]." AND infohash='$info_hash'");
// record is not present, create it
if (ann_affected_rows()==0)
{
$query_swl=""; $query_whe="";
if($btit_settings["fmhack_torrent_times"]=="enabled")
{
$query_sel.=", `started_time`";
$query_whe.=", UNIX_TIMESTAMP()";
}
if($btit_settings["fmhack_anti_hit_and_run_system"]=="enabled")
{
$query_sel.=", `completed_time`";
$query_whe.=", UNIX_TIMESTAMP()";
}