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<?php
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<?php
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# $Id: intercept.php 3085 2022-11-02 17:02:32Z rexy $
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# $Id: intercept.php 3088 2022-11-06 22:55:08Z rexy $
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#
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#
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# intercept.php for ALCASAR captive portal
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# intercept.php for ALCASAR captive portal
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# By Mondru AB.
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# By Mondru AB.
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# Modify by Rexy & steweb57
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# Modify by Rexy & steweb57
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# UI & css style by Stéphane ERARD & Alexandre VEZIN
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# UI & css style by Stéphane ERARD & Alexandre VEZIN
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if ($button === $l_boutonO) {
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if ($button === $l_boutonO) {
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	//correction password length in coova-chilli
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	//correction password length in coova-chilli
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	//thanks to http://www.stochasticgeometry.ie/2009/09/09/maximum-password-length-in-coova-chilli/
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	//thanks to http://www.stochasticgeometry.ie/2009/09/09/maximum-password-length-in-coova-chilli/
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	$hexchal = pack('H*', $challenge);
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	$hexchal = pack('H*', $challenge);
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	$newchal = pack('H*', hash('sha256',$hexchal . $uamsecret));
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	$newchal = pack('H*', hash('sha256',$hexchal . $uamsecret));
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	// If challenge isn't long enough, repeat it until it is
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	// If challenge isn't long enough, repeat it until it is
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	while (strlen($newchal) < strlen($password)) {
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	while (strlen($newchal) < strlen($password)) {
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		$newchal .= $newchal;
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		$newchal .= $newchal;
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	}
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	}
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	$newpwd   = pack('a*', $password);
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	$newpwd   = pack('a*', $password);
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	// Encode plain text password with challenge
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	// Encode plain text password with challenge
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	$pappassword = implode('', unpack('H*', ($newpwd ^ $newchal)));
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	$pappassword = implode('', unpack('H*', ($newpwd ^ $newchal)));
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	header("Location: $uamproto://$uamip:$uamport/logon?username=$username&password=$pappassword&userurl=$userurl");
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	header("Location: $uamproto://$uamip:$uamport/logon?username=$username&password=$pappassword&userurl=$userurl");
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	exit();
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	exit();
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}
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}
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switch($res) {
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switch($res) {