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https://github.com/Yubico/yubikey-val.git
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Init
This commit is contained in:
Paul Chen
parent
e080a9acab
commit
8fc5847159
98
verify.php
98
verify.php
@ -1,99 +1,5 @@
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<?php require_once '../yms/appinclude.php';
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require_once '../yms/yubi_lib.php';
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<?php $trace = false;
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$id = getHttpVal('id', 0);
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if ($id <= 0) {
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echo 'Client ID is missing';
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exit;
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}
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$otp = getHttpVal('otp', '');
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if ($otp == '') {
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echo 'OTP is missing';
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exit;
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}
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//// Get Yubikey from DB
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//
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$devId = substr($otp, 0, 12);
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$ad = getAuthData($devId);
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echo '<h3>--- From DB ---</h3>';
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print_r($ad); echo '<p>';
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if ($ad == null) {
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echo 'Invalid Yubikey '.$devId;
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exit;
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}
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//// Decode OTP from input
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//
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echo '<h3>--- From Input ---</h3>';
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//$key16 = b64ToHex($ad['secret']);
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//$key16 = 'e42b35465e48b6bdbe6676f23bf28259';
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$k = b64ToModhex($ad['secret']);
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echo '<li>K='.$k.'<p>';
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$key16 = ModHex::Decode($k);
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echo '<li>Key16 = ['.$key16.'] len='.strlen($key16).'<p>';
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//$key= pack('H*', $key16);
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$decoded_token = Yubikey::Decode($otp, $key16);
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print_r($decoded_token);
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echo '<p>';
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if ( ! is_array($decoded_token) ) {
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die ('DECODING FAILED: '.$decoded_token."\n");
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}
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//// Sanity check key status
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//
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if ($ad['active'] < 1) {
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die ('The Yubikey is not activated!');
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}
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// Sanity check client status
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//
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if ($ad['c_active'] < 1) {
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die ('The Client is not activated!');
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}
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// Sanity check token ID
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//
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if ( strlen($decoded_token["public_id"]) == 12 ) {
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print "\t-> Public ID OK (".$decoded_token["public_id"].")\n";
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} else { print "TOKEN ID FAILED, ".$decoded_token["public_id"]."\n"; }
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// Sanity check the OTP
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//
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if ( strlen($decoded_token["token"]) == 32) {
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print "\t-> OTP len OK (".$decoded_token["token"].")\n";
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} else { print " OTP len FAILED,".strlen($decoded_token["token"])."\n"; }
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// Check the session counter
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//
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$sessionCounter = $decoded_token["counter"]; // From the req
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$seenSessionCounter = $ad['counter']; // From DB
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$scDiff = $seenSessionCounter - $sessionCounter;
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if ($scDiff > 0) {
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print "Replayed session counter, counter=".$sessionCounter.', seen='.$seenSessionCounter."\n";
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} else {
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print "\t-> Counter OK (".$sessionCounter.")\n";
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}
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$hi = $decoded_token["high"] & 0xff; // From the req
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$seenHi = $ad['high']; // From DB
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$hiDiff = $seenHi - $hi;
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if ($scDiff == 0 && $hiDiff > 0) {
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print "Replayed high counter, counter=".$hi.', seen='.$seenHi."\n";
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} else {
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print "\t-> High counter OK (".$hi.")\n";
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}
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$lo = $decoded_token["low"] & 0xff; // From the req
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$seenLo = $ad['low']; // From DB
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$loDiff = $seenLo - $lo;
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if ($scDiff == 0 && $loDiff > 0) {
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print "Replayed low counter, counter=".$lo.', seen='.$seenLo."\n";
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} else {
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print "\t-> Low counter OK (".$lo.")\n";
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}
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echo '<p>Validation OK for Yubikey: '.$decoded_token["public_id"];
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require 'verifyOTP.php';
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?>
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135
verifyOTP.php
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135
verifyOTP.php
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<?php require_once '../yms/appinclude.php';
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require_once '../yms/yubi_lib.php';
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$id = getHttpVal('id', 0);
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if ($id <= 0) {
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echo 'Client ID is missing';
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exit;
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}
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$otp = getHttpVal('otp', '');
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if ($otp == '') {
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echo 'OTP is missing';
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exit;
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}
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//// Get Yubikey from DB
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//
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$devId = substr($otp, 0, 12);
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$ad = getAuthData($devId);
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debug('<h3>Auth Data from DB</h3>');
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if ($ad == null) {
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echo 'Invalid Yubikey '.$devId;
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exit;
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} else {
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debug($ad);
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}
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$k = b64ToModhex($ad['secret']);
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debug('aes key in modhex = '.$k);
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$key16 = ModHex::Decode($k);
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debug('aes key in hex = ['.$key16.'], length = '.strlen($key16));
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//// Decode OTP from input
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//
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debug('<h3>From OTP decoded</h3>');
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//$key= pack('H*', $key16);
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$decoded_token = Yubikey::Decode($otp, $key16);
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debug($decoded_token);
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if ( ! is_array($decoded_token) ) {
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die ('DECODING FAILED: '.$decoded_token."\n");
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}
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//// Sanity check key status
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//
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if ($ad['active'] < 1) {
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die ('The Yubikey is not activated!');
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}
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// Sanity check client status
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//
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if ($ad['c_active'] < 1) {
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die ('The Client is not activated!');
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}
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// Sanity check token ID
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//
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if (strlen($decoded_token["public_id"]) == 12 ) {
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debug("Token ID OK (".$decoded_token["public_id"].")");
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} else { die("TOKEN ID FAILED, ".$decoded_token["public_id"]); }
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// Sanity check the OTP
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//
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if ( strlen($decoded_token["token"]) == 32) {
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debug("OTP len OK (".$decoded_token["token"].")");
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} else { die(" OTP len FAILED,".strlen($decoded_token["token"])); }
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// Check the session counter
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//
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$sessionCounter = $decoded_token["counter"]; // From the req
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$seenSessionCounter = $ad['counter']; // From DB
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$scDiff = $seenSessionCounter - $sessionCounter;
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if ($scDiff > 0) {
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die("Replayed session counter=".$sessionCounter.', seen='.$seenSessionCounter);
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} else {
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debug("Counter OK (".$sessionCounter.")");
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}
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$hi = $decoded_token["high"] & 0xff; // From the req
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$seenHi = $ad['high']; // From DB
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$hiDiff = $seenHi - $hi;
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if ($scDiff == 0 && $hiDiff > 0) {
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die("Replayed high counter=".$hi.', seen='.$seenHi);
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} else {
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debug("High counter OK (".$hi.")");
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}
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$lo = $decoded_token["low"] & 0xff; // From the req
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$seenLo = $ad['low']; // From DB
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$loDiff = $seenLo - $lo;
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if ($scDiff == 0 && $loDiff > 0) {
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die("Replayed low counter=".$lo.', seen='.$seenLo);
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} else {
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debug("Low counter OK (".$lo.")");
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}
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echo 'Validation OK for Yubikey: '.$decoded_token["public_id"];
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if (updDB($ad['id'], $decoded_token)) {
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debug('Validation database updated');
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}
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function debug($msg, $exit=false) {
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global $trace;
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if ($trace) {
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if (is_array($msg)) {
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echo '<pre>';
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print_r($msg);
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echo '</pre>';
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} else {
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echo $msg;
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}
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echo "<p>\n";
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}
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if ($exit) {
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die ('<font color=red><h4>Exit</h4></font>');
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}
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}
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function updDB($id, $a) {
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$stmt = 'UPDATE yubikeys SET '.
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'accessed=NOW(),'.
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'counter='.$a['counter'].','.
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'low='.$a['low'].','.
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'high='.$a['high'].
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' WHERE id='.$id;
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if (!query($stmt)) {
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$err = 'Failed to update validation data of key: '.$id.' by '.$stmt;
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debug($err);
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writeLog($err);
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return false;
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}
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return true;
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}
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?>
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5
verify_debug.php
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5
verify_debug.php
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<?php $trace = true;
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require 'verifyOTP.php';
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?>
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