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<?
// /JimMartinson/CST2608/Labs/StudentServerNameNAT.phpinc
// Get the student Uipaddress, Unat, userFileName, userId, Uservername, and Uusername setting for all labs.
if (da()) debugTrackBegin();
#d_On();
$f_uId = formValue('uId');
if ( $f_uId ) {
$userId = $f_uId;
$userFileName = str_replace(array("-"," "),"",username($userId));
$Uusername = explode(' ',username($userId));
$Uusername = strtolower($Uusername[0]);
// Get userStudentId.
$query = "
SELECT userStudentId
FROM `user`
WHERE userId = ".$userId."
";
$userStudentIdInfo = query_info($query);
if ( $userStudentIdInfo ) {
$userStudentId = $userStudentIdInfo['userStudentId'];
} else {
$f_messageError = "Unable to get your StudentId.";
include('common/classError.phpinc');
}
} else {
$userId = $_SESSION['userId'];
$userFileName = str_replace(array("-"," "),"",$_SESSION['userFullName']);
$Uusername = explode(' ',$_SESSION['userFullName']);
$Uusername = strtolower($Uusername[0]);
$userStudentId = $_SESSION['userStudentId'];
}
// Set $Iccc. This is the ccc part of your IP address. aaa.bbb.ccc.ddd 192.168.ccc.ddd
$Iccc = 211;
// Generate $Uservername.
if ( !isset($Uversion) ) $Uversion = 12;
$userParts = explode(" ",$_SESSION['userFullName']);
$Uservername = strtolower(substr($userParts[0],0,3));
if ( isset($userParts[1]) ) {
$Uservername .= strtolower(substr($userParts[1],0,3));
} else {
$Uservername .= 'xxx';
}
$Uservername .= $Uversion;
unset ($userParts);
// Generate $Uip.
// Search for the StudentList.txt file and parse it.
$dirs = split("/",dirname($_SERVER['SCRIPT_FILENAME']));
$dirLast = '/'.$dirs[count($dirs)-1];
$filename = 'StudentList.txt';
$filepath = $_SESSION['DIRECTORY_ROOT'].substr($courseDirectory,1).'Labs/'.$filename;
d_Var('$filepath',$filepath);
$Uip = false;
if ( file_exists($filepath) ) {
// Get IP number.
$lastIP = 2;
$file_handle = fopen($filepath, "r");
while ( !feof($file_handle) && $Uip === false ) {
$line = explode('|',fgets($file_handle));
#d_Var('$line',$line);
if ( $line[0] == $userStudentId ) {
if ( isset($line[2]) ) $Uip = trim($line[2]);
} else {
if ( isset($line[2]) && $line[2] < 50 ) $lastIP = max($lastIP,$line[2]);
}
}
fclose($file_handle);
#d_Var('$Uip',$Uip);
#d_Var('$lastIP',$lastIP);
if ( $Uip === false ) {
$Uip = $lastIP + 1;
//$file_handle = fopen($filepath, "a");
file_put_contents($filepath, $userStudentId.'|'.$_SESSION['userFullName'].'|'.$Uip."\n", FILE_APPEND);
// Verify Uipaddress.
$Uip = false;
$file_handle = fopen($filepath, "r");
while ( !feof($file_handle) && $Uip === false ) {
$line = explode('|',fgets($file_handle));
#d_Var('$line',$line);
if ( $line[0] == $userStudentId ) if ( isset($line[2]) ) $Uip = trim($line[2]);
}
fclose($file_handle);
#d_Var('$Uip',$Uip);
#d_Var('$lastIP',$lastIP);
if ( $Uip === false ) {
$f_messageError = "Unable to get your IP address assignment.";
include('common/classError.phpinc');
}
}
} else {
$f_messageError = "Unable to get your IP address assignment from $filepath.";
include('common/classError.phpinc');
}
if ( $Uip !== false ) {
$Unat = $Uip + 100;
} else {
$Unat = false;
}
if ( $Uversion != 12 ) {
$Uip += 50;
}
$Uipaddress = '192.168.'.$Unat.'.'.$Uip;
unset ($dirs);
unset ($dirLast);
unset ($filename);
unset ($filepath);
unset ($file_handle);
unset ($line);
d_Var('$f_uId',$f_uId);
d_Var('$Uservername',$Uservername);
d_Var('$Uusername',$Uusername);
d_Var('$Uipaddress',$Uipaddress);
d_Var('$Uip',$Uip);
d_Var('$Unat',$Unat);
d_Var('$userId',$userId);
d_Var('$userFileName',$userFileName);
#d_Off();
#setDebugOn();
if (da()) debugTrackEnd();
?>