--TEST--

b0rked random data test

--SKIPIF--

--FILE--

<?php

if(!extension_loaded('igbinary')) {

dl('igbinary.' . PHP_SHLIB_SUFFIX);

}

function test() {

$serialized = igbinary_serialize(null);

$serialized = substr($serialized, 0, -1);

$length = mt_rand(1, 255);

for ($i = 0; $i < $length; ++$i) {

$serialized .= chr(mt_rand(0, 255));

}

// if returned null everything is OK

if (($unserialized = igbinary_unserialize($serialized)) === null) {

return true;

}

error_reporting(E_ALL);

// whole data is read?

$reserialized = igbinary_serialize($unserialized);

if ($serialized === $reserialized) {

return true;

}

if (is_string($reserialized) && strlen($reserialized) < strlen($serialized) && strncmp($reserialized, $serialized, 0) === 0) {

return true;

}

// igbinary should not unserialize an object for invalid data - if it does, print the unexpected value.

echo bin2hex($serialized), "\n";

echo bin2hex($reserialized), "\n";

var_dump($unserialized);

return false;

}

// Test that 100 deterministic random values don't unserialize as valid data

mt_srand(0xface);

for ($i = 0; $i < 100; ++$i) {

error_reporting(E_ERROR | E_PARSE);

if (!test()) break;

}

// Test that igbinary_unserialize warns if extra data is added and fails (suppressed in the above checks)

error_reporting(E_ALL);

echo "After testing 100 random values\n";

$result = igbinary_unserialize(igbinary_serialize(true) . "\x00");

// Should deliberately return null if extra data was seen

var_dump($result);

?>

--EXPECTF--

After testing 100 random values

Warning: igbinary_unserialize: received more data to unserialize than expected in %s on line 48

NULL