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<!-- $Id: quote.php 900 2017-01-06 19:25:47Z kgoldman $ -->
<?php
/* (c) Copyright IBM Corporation 2016. */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright notice, */
/* this list of conditions and the following disclaimer. */
/* */
/* 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. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "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 COPYRIGHT */
/* HOLDER OR CONTRIBUTORS 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. */
/********************************************************************************/
?>
<html>
<head>
<title>TSS 2.0 Demo Quote
<?php
echo gethostname();
?>
</title>
<link rel="stylesheet" type="text/css" href="demo.css">
</head>
<div id="header">
<img src="ibm.png" style="float:right;width:200px;height:70px">
<h2>IBM TSS Demo Quote-
<?php
echo gethostname();
?>
</h2>
</div>
<?php
require '/var/www/html/tpm2/nav.html';
?>
<div id="section">
<?php
require '/var/www/html/tpm2/halg.inc';
if ( $_SERVER['REQUEST_METHOD'] == 'POST' ) {
//print_r($_POST);
echo "<br>\n";
$command = $_POST['command'];
$hp = $_POST['hp'];
$hpcr = $_POST['hpcr'];
$label= $_POST['label'];
$quotename = $_POST['quotename'];
$pwdk = $_POST['pwdk'];
$retval == 0;
// parameter checks
if ($retval == 0) {
if (strlen($hp) == 0) {
echo "Parent handle must be specified<br>\n";
$retval = 1;
}
if (strlen($label) == 0) {
echo "Label must be specified<br>\n";
$retval = 1;
}
if (strlen($quotename) == 0) {
echo "Quote name must be specified<br>\n";
$retval = 1;
}
if (strlen($hpcr) == 0) {
echo "PCR must be specified<br>\n";
$retval = 1;
}
else {
if (($hpcr < 0) || ($hpcr > 23)) {
echo "PCR must be between 0 and 23<br>\n";
$retval = 1;
}
}
}
// load the key
if ($retval == 0) {
$commandStr = "/var/www/html/tpm2/load";
$commandStr .= " -hp " . $hp;
$commandStr .= " -ipu " . $label . "pub.key";
$commandStr .= " -ipr " . $label . "priv.key";
if (strlen($pwdp) != 0) {
$commandStr .= " -pwdp " . $pwdp;
}
//echo 'Command string: ' . $commandStr. "<br>\n";
unset($output);
exec ($commandStr, $output, $retval);
if ($retval != 0) {
echo $commandStr . "<br>\n";
for ($i = 0 ; $i < count($output) ; $i++) {
echo $output[$i] . "<br>\n";
}
}
}
// get the handle from the response
if ($retval == 0) {
//print_r($output);
$values = explode (" ", $output[0]);
$hk = $values[1];
echo "Loaded quote signing key handle: " . $hk . "<br>\n";
}
// construct the quote or verify command using the signing key
if ($retval == 0) {
switch ($command) {
case 'Quote':
$commandStr = "/var/www/html/tpm2/quote";
$commandStr .= " -hk " . $hk;
$commandStr .= " -halg " . $halg;
$commandStr .= " -hp " . $hpcr;
$commandStr .= " -os " . $quotename . ".sig";
$commandStr .= " -oa " . $quotename . ".att";
if (strlen($pwdk) != 0) {
$commandStr .= " -pwdk " . $pwdk;
}
break;
case 'Verify Quote':
$commandStr = "/var/www/html/tpm2/verifysignature";
$commandStr .= " -hk " . $hk;
$commandStr .= " -halg " . $halg;
$commandStr .= " -is " . $quotename . ".sig";
$commandStr .= " -if " . $quotename . ".att";
break;
default:
echo ("Invalid command $command <br>\n");
$retval = 1;
break;
}
}
// run the quote or verify command
if ($retval == 0) {
//echo 'Command string: ' . $commandStr. "<br>\n";
unset($output);
exec ($commandStr, $output, $retval);
if ($retval == 0) {
if ($command == 'Quote') {
// after a successful quote, display the PCR value quoted */
$commandStr = "/var/www/html/tpm2/pcrread -ha $hpcr -halg $halg";
//echo 'Command string: ' . $commandStr. "<br>";
unset($output);
exec ($commandStr, $output, $retval);
printf("Quoted PCR %02d: ", $hpcr);
if ($retval == 0) {
echo $output[2] . $output[3] . '<br>';
}
else {
printf("pcrread returned: $retval<br>");
}
}
else if ($command == 'Verify Quote') {
echo "Success<br>\n";
}
}
else {
echo $commandStr . "<br>\n";
for ($i = 0 ; $i < count($output) ; $i++) {
echo $output[$i] . "<br>\n";
}
}
}
// flush
if (strlen($hk) != 0) {
$commandStr = "/var/www/html/tpm2/flushcontext";
$commandStr .= " -ha " . $hk;
//echo 'Command string: ' . $commandStr. "<br>\n";
unset($output);
exec ($commandStr, $output, $retval);
if ($retval != 0) {
echo $commandStr . "<br>\n";
for ($i = 0 ; $i < count($output) ; $i++) {
echo $output[$i] . "<br>\n";
}
}
}
}
?>
<form method="post" action="quote.php">
<h3>Parameters</h3>
Parent Handle <input type="text" name="hp" value="<?php
if (strlen($hp) != 0) {
echo $hp;
}
else {
echo "80000000";
}
?>"><br>
Key Label <input type="text" name="label" value="<?php echo $label; ?>">
<br>
Quote Name <input type="text" name="quotename" value="<?php echo $quotename; ?>">
<br>
<h3>Quote</h3>
Key Password <input type="password" name="pwdk" value="<?php echo $pwdk; ?>">
<br>
PCR <input type="text" name="hpcr" value="<?php echo $hpcr; ?>">
<br>
<input type="submit" name="command" value="Quote">
<h3>Verify</h3>
<input type="submit" name="command" value="Verify Quote">
</div>
<?php
require '/var/www/html/tpm2/footer.html';
?>
</body>
</html>
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