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submit.php
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<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
require_once("include/mysq.php"); //conatins connection information
require_once("include/func.php");
require_once("include/sign2.php");
require_once("include/glob.php");
session_start();
if (!isset($conn))
die("Unable to connect to mysql"); //checks whether connection is possible
else {
$retval = mysqli_query($conn, "select status from pagecontrol where page='submit'");
if (!$retval) {
die('ERROR:' . $retval->errorno);
}
if (mysqli_num_rows($retval) == 1) { //TODO also check if team is blocked
$row = mysqli_fetch_assoc($retval);
if ($row['status'] == 0 && isset($_POST['OK']) && isset($_SESSION['teamid'])) { //if the page is enabled OK is send by ajax and whether time for team is not over
$code = $_POST['code']; //TODO check input values are valid or not before using
$qstno = $_POST['qstnno'];
$time = $_POST['time'];
$level = $_POST['level']; //TODO check level is enabled or check whether or it should be present in levelstart
$team = $_SESSION['teamid'];
$lan = $_SESSION['lang'];
//echo $code;
$time = 0; //TODO remove this
$diff = -1;
$qry = "select startt from levelstart where tlevel=$level and teamid=$team";
//echo $qry;
$ret4 = mysqli_query($conn, $qry);
//echo $qry;
if (!$ret4)
die("ERR:13");
if (mysqli_num_rows($ret4) == 1) { //gets start time for that event
$row = mysqli_fetch_assoc($ret4);
$stime = $row['startt'];
} else
die("ERR:14");
$qry = "select totaltime from levels where tlevel=$level";
$ret4 = mysqli_query($conn, $qry);
//echo $qry;
if (!$ret4)
die("ERR:15");
if (mysqli_num_rows($ret4) == 1) { //gets total time for that level
$row = mysqli_fetch_assoc($ret4);
$tottime = $row['totaltime'];
$endtime = $tottime + $stime;
} else
die("ERR:16");
$ctime = time();
if ($ctime > $endtime)
die("TIMEEND");
if ($ctime < $stime)
die("TIMEERR");
$time = $ctime;
$ext = "";
if ($lan == 'C') {
$compiler = 'gcc';
$ext = "c";
} else if ($lan == 'C++' || $lan == 'cpp') {
$compiler = 'g++';
$ext = "cpp";
}
$pathsub = $level . "/" . $qstno; //
$prog = $userd . "/" . $team . "/" . $pathsub;
$progcode = $prog . "/prog." . $ext;
$progout = $prog . "/pro.o";
//$compiler
$filnam = $progcode;
if (file_exists($progcode))
unlink($progcode); //this part write the code into file
$handle = fopen($progcode, 'w') or die('Cannot create file: prog ');
fwrite($handle, $code);
fclose($handle);
$status = 0; //error status
$compiler = $compiler . " " . $progcode . " -w -o " . $progout;
//echo $compiler;
unset($reterr);
#$ret=shell_exec();
$reterr = shell_exec("chmod 777 -R " . $prog);
$reterr = shell_exec($compiler . " 2>&1"); //error to stdout
if (empty($reterr)) { //succesful compilation
$status = 1;
$reterr2 = shell_exec($runscript . " " . $testcase . "/" . $level . "/" . $qstno . " " . $prog . " " . $progout . " 2>&1 |wc -l"); //run the output program in test cases
//echo $reterr2;
//|wc -l
if ($reterr2 == 0) {
$reterr3 = shell_exec($runscript2 . " " . $testcase . "/" . $level . "/" . $qstno . " " . $prog . " 2>&1"); //run the output program in test cases
//echo $reterr3;
if ($reterr3 == 0) { //all ouput test case passed
$status = 2;
$qry = "select type from levels where tlevel=$level";
$ret3 = mysqli_query($conn, $qry);
if (!$ret3)
die("ERR:5");
if (mysqli_num_rows($ret3) == 1) { //compare with original code
$row = mysqli_fetch_assoc($ret3);
if ($row['type'] == 'debug') {
$qry = "select dvalues from questions where tlevel=$level and qno=$qstno and lang='$lan'";
$ret4 = mysqli_query($conn, $qry);
//echo $qry;
if (!$ret4)
die("ERR:6");
if ((mysqli_num_rows($ret4)) == 1) {
$row = mysqli_fetch_assoc($ret4);
$dat = $row['dvalues'];
$defcode = $testcase . "/" . $level . "/" . $qstno . "/" . "tcode.txt";
if (file_exists($defcode))
unlink($defcode); //this part write the code into file
$handle = fopen($defcode, 'w') or die('Cannot create file: prog ');
fwrite($handle, $dat);
fclose($handle);
$diff = shell_exec("diff -N " . $defcode . " " . $progcode . " | grep '^>' | wc -l ");
//echo("diff -N ".$defcode." ".$progcode." | grep '^<' | wc -l ".$diff);
}
else
die('ERR:221multiple questions');
}
// put else here for 'coding'
} else
die('ERR:7');
$null = NULL;
$stmt = $conn->prepare("insert into correct(tlevel,qno,teamid,status,lang,time,code,diff) values(?,?,?,?,?,?,?,?)");
$stmt->bind_param("ddddsdbd", $level, $qstno, $team, $status, $lan, $time, $null, $diff);
$stmt->send_long_data(6, file_get_contents($filnam));
$stmt->execute();
if (!empty($stmt->error)) {
$qry = "select * from correct where tlevel=$level and qno=$qstno and teamid=$team"; //check wheither already submitted
//echo $qry;
$ret3 = mysqli_query($conn, $qry);
if (mysqli_num_rows($ret3) == 1)
$status = 10;
else
die($stmt->error);
}
$stmt->close();
//$qry="insert into correct(tlevel,qno,teamid,status,lang,time,code,diff) values($level,$qstno,$team,$status,'$lan',$time,'{$code}',$diff)"; //check wheither already submitted
//echo $qry;
//$ret3 =mysqli_query($conn, $qry);
//if(! $ret3 ) //unable to insert
//{
//$qry="select * from correct where tlevel=$level and qno=$qstno and teamid=$team"; //check wheither already submitted
//echo $qry;
//$ret3 =mysqli_query($conn, $qry);
//if(mysqli_num_rows($ret3)==1)$status= 10;
//else die('ERR:10');
//}
/*
$qry="select type from levels where tlevel=$level";
$ret3 =mysqli_query($conn, $qry);
if(!$ret3)die("ERR:11");
if(mysqli_num_rows($ret3)==1){ //compare with original code
$row = mysqli_fetch_assoc($ret3);
if($row['type']=='debug'){
$qry="select dvalues from questions where tlevel=$level and qno=$qstno and lang='$lan'";
$ret4 =mysqli_query($conn, $qry);
//echo $qry;
if(!$ret4)die("ERR:6");
if((mysqli_num_rows($ret4))==1){
$row = mysqli_fetch_assoc($ret4);
$dat=$row['dvalues'];
$defcode=$testcase."/".$level."/".$qstno."/"."tcode.txt";
if(file_exists($defcode))unlink($defcode); //this part write the code into file
$handle = fopen($defcode, 'w') or die('ERR:20');
fwrite($handle, $dat);
fclose($handle);
$diff=shell_exec("diff -N ".$defcode." ".$progcode." | grep '^>' | wc -l ");
//echo("diff -N ".$defcode." ".$progcode." | grep '^<' | wc -l ".$diff);
}
else die('ERR:222multiple questions');
}
// put else here for 'coding'
}
else die('ERR:7'); */
}
//echo $runscript2." ".$testcase."/".$level."/".$qstno." ".$prog."/".$level."/".$qstno;
//echo $reterr3;
}
}
$null = NULL;
$stmt = $conn->prepare("insert into sublog(tlevel,qno,teamid,status,lang,time,code,diff) values(?,?,?,?,?,?,?,?)");
$stmt->bind_param("ddddsdbd", $level, $qstno, $team, $status, $lan, $time, $null, $diff);
$stmt->send_long_data(6, file_get_contents($filnam));
$stmt->execute(); //TODO check whether error is empty
$stmt->close();
/*
//$qry="insert into sublog(tlevel,qno,teamid,status,lang,time,code,diff) values($level,$qstno,$team,$status,'$lan',$time,'{$code}',$diff)";
$qry="insert into sublog(tlevel,qno,teamid,status,lang,time,code,diff) values($level,$qstno,$team,$status,'$lan',$time,'{$code}',$diff)";
unset($ret3);
//echo $qry;
$ret3 =mysqli_query($conn, $qry);
if(! $ret3 )
{
echo("Error description: " . mysqli_error($conn));
die('ERR:8');
}
*/
echo ($status);
//echo $endtime." ".$ctime." ".$stime." ".$tottime;
//echo $endtime-$ctime;
die(); //0 failed,1 compiled&&failed,2 passed,10 already passed
} else {
echo "PS";
die(); //try to redirect //if page is disabled
//header ( "Location: index.php" ) && die ();
}
} else
die('ERROR:More entries found');
}
?>