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phpseclib/tests/Unit/File/ASN1Test.php
2021-04-03 13:53:20 -05:00

452 lines
19 KiB
PHP

<?php
/**
* @author Jim Wigginton <terrafrost@php.net>
* @copyright 2014 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
require_once 'File/ASN1.php';
class Unit_File_ASN1Test extends PhpseclibTestCase
{
/**
* on older versions of File_ASN1 this would yield a PHP Warning
* @group github275
*/
public function testAnyString()
{
$KDC_REP = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'pvno' => array(
'constant' => 0,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'msg-type' => array(
'constant' => 1,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'padata' => array(
'constant' => 2,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'crealm' => array(
'constant' => 3,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'cname' => array(
'constant' => 4,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'ticket' => array(
'constant' => 5,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY),
'enc-part' => array(
'constant' => 6,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY)
)
);
$AS_REP = array(
'class' => FILE_ASN1_CLASS_APPLICATION,
'cast' => 11,
'optional' => true,
'explicit' => true
) + $KDC_REP;
$str = 'a4IC3jCCAtqgAwIBBaEDAgELoi8wLTAroQMCAROiJAQiMCAwHqADAgEXoRcbFUNSRUFUVUlUWS5ORVR0ZXN0dXNlcqMPGw' .
'1DUkVBVFVJVFkuTkVUpBUwE6ADAgEBoQwwChsIdGVzdHVzZXKlggFOYYIBSjCCAUagAwIBBaEPGw1DUkVBVFVJVFkuTkVU' .
'oiIwIKADAgECoRkwFxsGa3JidGd0Gw1DUkVBVFVJVFkuTkVUo4IBCDCCAQSgAwIBF6EDAgEBooH3BIH0AQlxgm/j4z74Ki' .
'GsJJnROhh8JAiN7pdvlnkxCYKdG6UgdfK/K0NZ+yz+Xg4kgFO1cQ4XYT4Fm3MTmOHzlFmbzlVkUqBI/RnWA9YTREC9Q7Mf' .
'PPYfRxRG/C6FlahxHCOKj9GUj7bXg7Oq3Sm+QsKTS2bZT05biNf1s7tPCkdIOO0AAd7hvTCpTNAKl+OLN4cpA6pwwk5c3h' .
'58Ce5/Uri5yBmrfwgkCD5AJUAI/WH56SEEvpifLc6C96w/7y2krAiZm5PyEO0HVhTzUjKGSHoSMb+Z3HI/ul+G9z0Z4qDu' .
'NjvgP0jKdrKiwWN00NjpiQ0byZd4y6aCASEwggEdoAMCAReiggEUBIIBEHyi8DIbdcfw2DpniBJ3Sh8dDaEbQx+gWx3omC' .
'TBEyts4sQGTwgQcqkWfeer8M+SkZs/GGZq2YYkyeF+9b6TxlYuX145NuB3KcyzaS7VNrX37E5nGgG8K6r5gTFOhLCqsjjv' .
'gPXXqLeJo5D1nV+c8BPIEVsu/bbBPgSqpDwUs2mX1WkEg5vfb7kZMC8+LHiRy+sItvIiTtxxEsQ/GEF/ono3hZrEnDa/C+' .
'4P3wep6uNMLnLzXJmUaAMaopjE+MOcai/t6T9Vg4pERF5Waqwg5ibAbVGK19HuS4LiKiaY3JsyYBuNkEDwiqM7i1Ekw3V+' .
'+zoEIxqgXjGgPdrWkzU/H6rnXiqMtiZZqUXwWY0zkCmy';
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER(base64_decode($str));
$result = $asn1->asn1map($decoded[0], $AS_REP);
$this->assertIsArray($result);
}
/**
* on older versions of File_ASN1 this would produce a null instead of an array
* @group github275
*/
public function testIncorrectString()
{
$PA_DATA = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'padata-type' => array(
'constant' => 1,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_INTEGER
),
'padata-value' => array(
'constant' => 2,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_OCTET_STRING
)
)
);
$PrincipalName = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'name-type' => array(
'constant' => 0,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_INTEGER
),
'name-string' => array(
'constant' => 1,
'optional' => true,
'explicit' => true,
'min' => 0,
'max' => -1,
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array('type' => FILE_ASN1_TYPE_IA5_STRING) // should be FILE_ASN1_TYPE_GENERAL_STRING
)
)
);
$Ticket = array(
'class' => FILE_ASN1_CLASS_APPLICATION,
'cast' => 1,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'tkt-vno' => array(
'constant' => 0,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_INTEGER
),
'realm' => array(
'constant' => 1,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY
),
'sname' => array(
'constant' => 2,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY
),
'enc-part' => array(
'constant' => 3,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY
)
)
);
$KDC_REP = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'pvno' => array(
'constant' => 0,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_INTEGER),
'msg-type' => array(
'constant' => 1,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_INTEGER),
'padata' => array(
'constant' => 2,
'optional' => true,
'explicit' => true,
'min' => 0,
'max' => -1,
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => $PA_DATA),
'crealm' => array(
'constant' => 3,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_OCTET_STRING),
'cname' => array(
'constant' => 4,
'optional' => true,
'explicit' => true) + $PrincipalName,
//'type' => FILE_ASN1_TYPE_ANY),
'ticket' => array(
'constant' => 5,
'optional' => true,
'implicit' => true,
'min' => 0,
'max' => 1,
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => $Ticket),
'enc-part' => array(
'constant' => 6,
'optional' => true,
'explicit' => true,
'type' => FILE_ASN1_TYPE_ANY)
)
);
$AS_REP = array(
'class' => FILE_ASN1_CLASS_APPLICATION,
'cast' => 11,
'optional' => true,
'explicit' => true
) + $KDC_REP;
$str = 'a4IC3jCCAtqgAwIBBaEDAgELoi8wLTAroQMCAROiJAQiMCAwHqADAgEXoRcbFUNSRUFUVUlUWS5ORVR0ZXN0dXNlcqMPGw' .
'1DUkVBVFVJVFkuTkVUpBUwE6ADAgEBoQwwChsIdGVzdHVzZXKlggFOYYIBSjCCAUagAwIBBaEPGw1DUkVBVFVJVFkuTkVU' .
'oiIwIKADAgECoRkwFxsGa3JidGd0Gw1DUkVBVFVJVFkuTkVUo4IBCDCCAQSgAwIBF6EDAgEBooH3BIH0AQlxgm/j4z74Ki' .
'GsJJnROhh8JAiN7pdvlnkxCYKdG6UgdfK/K0NZ+yz+Xg4kgFO1cQ4XYT4Fm3MTmOHzlFmbzlVkUqBI/RnWA9YTREC9Q7Mf' .
'PPYfRxRG/C6FlahxHCOKj9GUj7bXg7Oq3Sm+QsKTS2bZT05biNf1s7tPCkdIOO0AAd7hvTCpTNAKl+OLN4cpA6pwwk5c3h' .
'58Ce5/Uri5yBmrfwgkCD5AJUAI/WH56SEEvpifLc6C96w/7y2krAiZm5PyEO0HVhTzUjKGSHoSMb+Z3HI/ul+G9z0Z4qDu' .
'NjvgP0jKdrKiwWN00NjpiQ0byZd4y6aCASEwggEdoAMCAReiggEUBIIBEHyi8DIbdcfw2DpniBJ3Sh8dDaEbQx+gWx3omC' .
'TBEyts4sQGTwgQcqkWfeer8M+SkZs/GGZq2YYkyeF+9b6TxlYuX145NuB3KcyzaS7VNrX37E5nGgG8K6r5gTFOhLCqsjjv' .
'gPXXqLeJo5D1nV+c8BPIEVsu/bbBPgSqpDwUs2mX1WkEg5vfb7kZMC8+LHiRy+sItvIiTtxxEsQ/GEF/ono3hZrEnDa/C+' .
'4P3wep6uNMLnLzXJmUaAMaopjE+MOcai/t6T9Vg4pERF5Waqwg5ibAbVGK19HuS4LiKiaY3JsyYBuNkEDwiqM7i1Ekw3V+' .
'+zoEIxqgXjGgPdrWkzU/H6rnXiqMtiZZqUXwWY0zkCmy';
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER(base64_decode($str));
$result = $asn1->asn1map($decoded[0], $AS_REP);
$this->assertIsArray($result);
}
/**
* older versions of File_ASN1 didn't handle indefinite length tags very well
*/
public function testIndefiniteLength()
{
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER(file_get_contents(dirname(__FILE__) . '/ASN1/FE.pdf.p7m'));
$this->assertCount(5, $decoded[0]['content'][1]['content'][0]['content']); // older versions would have returned 3
}
public function testDefiniteLength()
{
// the following base64-encoded string is the X.509 cert from <http://phpseclib.sourceforge.net/x509/decoder.php>
$str = 'MIIDITCCAoqgAwIBAgIQT52W2WawmStUwpV8tBV9TTANBgkqhkiG9w0BAQUFADBM' .
'MQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkg' .
'THRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBDQTAeFw0xMTEwMjYwMDAwMDBaFw0x' .
'MzA5MzAyMzU5NTlaMGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh' .
'MRYwFAYDVQQHFA1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKFApHb29nbGUgSW5jMRcw' .
'FQYDVQQDFA53d3cuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkC' .
'gYEA3rcmQ6aZhc04pxUJuc8PycNVjIjujI0oJyRLKl6g2Bb6YRhLz21ggNM1QDJy' .
'wI8S2OVOj7my9tkVXlqGMaO6hqpryNlxjMzNJxMenUJdOPanrO/6YvMYgdQkRn8B' .
'd3zGKokUmbuYOR2oGfs5AER9G5RqeC1prcB6LPrQ2iASmNMCAwEAAaOB5zCB5DAM' .
'BgNVHRMBAf8EAjAAMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwudGhhd3Rl' .
'LmNvbS9UaGF3dGVTR0NDQS5jcmwwKAYDVR0lBCEwHwYIKwYBBQUHAwEGCCsGAQUF' .
'BwMCBglghkgBhvhCBAEwcgYIKwYBBQUHAQEEZjBkMCIGCCsGAQUFBzABhhZodHRw' .
'Oi8vb2NzcC50aGF3dGUuY29tMD4GCCsGAQUFBzAChjJodHRwOi8vd3d3LnRoYXd0' .
'ZS5jb20vcmVwb3NpdG9yeS9UaGF3dGVfU0dDX0NBLmNydDANBgkqhkiG9w0BAQUF' .
'AAOBgQAhrNWuyjSJWsKrUtKyNGadeqvu5nzVfsJcKLt0AMkQH0IT/GmKHiSgAgDp' .
'ulvKGQSy068Bsn5fFNum21K5mvMSf3yinDtvmX3qUA12IxL/92ZzKbeVCq3Yi7Le' .
'IOkKcGQRCMha8X2e7GmlpdWC1ycenlbN0nbVeSv3JUMcafC4+Q==';
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER(base64_decode($str));
$this->assertCount(3, $decoded[0]['content']);
}
/**
* @group github477
*/
public function testContextSpecificNonConstructed()
{
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER(base64_decode('MBaAFJtUo7c00HsI5EPZ4bkICfkOY2Pv'));
$this->assertIsString($decoded[0]['content'][0]['content']);
}
/**
* @group github602
*/
public function testEmptyContextTag()
{
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER("\xa0\x00");
$this->assertIsArray($decoded);
$this->assertCount(0, $decoded[0]['content']);
}
/**
* @group github1027
*/
public function testInfiniteLoop()
{
$asn1 = new File_ASN1();
$data = base64_decode('MD6gJQYKKwYBBAGCNxQCA6AXDBVvZmZpY2VAY2VydGRpZ2l0YWwucm+BFW9mZmljZUBjZXJ0ZGlnaXRhbC5ybw==');
$asn1->decodeBER($data);
}
public function testApplicationTag()
{
$map = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
// technically, default implies optional, but we'll define it as being optional, none-the-less, just to
// reenforce that fact
'version' => array(
// if class isn't present it's assumed to be FILE_ASN1_CLASS_UNIVERSAL or
// (if constant is present) FILE_ASN1_CLASS_CONTEXT_SPECIFIC
'class' => FILE_ASN1_CLASS_APPLICATION,
'cast' => 2,
'optional' => true,
'explicit' => true,
'default' => 'v1',
'type' => FILE_ASN1_TYPE_INTEGER,
'mapping' => array('v1', 'v2', 'v3')
)
)
);
$data = array('version' => 'v3');
$asn1 = new File_ASN1();
$str = $asn1->encodeDER($data, $map);
$decoded = $asn1->decodeBER($str);
$arr = $asn1->asn1map($decoded[0], $map);
$this->assertSame($data, $arr);
}
/**
* @group github1296
*/
public function testInvalidCertificate()
{
$data = 'a' . base64_decode('MD6gJQYKKwYBBAGCNxQCA6AXDBVvZmZpY2VAY2VydGRpZ2l0YWwucm+BFW9mZmljZUBjZXJ0ZGlnaXRhbC5ybw==');
$asn1 = new File_ASN1();
$asn1->decodeBER($data);
}
/**
* @group github1367
*/
public function testOIDs()
{
// from the example in 8.19.5 in the following:
// https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=22
$orig = pack('H*', '813403');
$asn1 = new File_ASN1();
$new = $asn1->_decodeOID($orig);
$this->assertSame('2.100.3', $new);
$this->assertSame($orig, $asn1->_encodeOID($new));
// UUID OID from the following:
// https://healthcaresecprivacy.blogspot.com/2011/02/creating-and-using-unique-id-uuid-oid.html
$orig = '2.25.329800735698586629295641978511506172918';
$asn1 = new File_ASN1();
$new = $asn1->_encodeOID($orig);
$this->assertSame(pack('H*', '6983f09da7ebcfdee0c7a1a7b2c0948cc8f9d776'), $new);
$this->assertSame($orig, $asn1->_decodeOID($new));
}
/**
* @group github1388
*/
public function testExplicitImplicitDate()
{
$map = array(
'type' => FILE_ASN1_TYPE_SEQUENCE,
'children' => array(
'notBefore' => array(
'constant' => 0,
'optional' => true,
'implicit' => true,
'type' => FILE_ASN1_TYPE_GENERALIZED_TIME),
'notAfter' => array(
'constant' => 1,
'optional' => true,
'implicit' => true,
'type' => FILE_ASN1_TYPE_GENERALIZED_TIME)
)
);
$asn1 = new File_ASN1();
$a = pack('H*', '3026a011180f32303137303432313039303535305aa111180f32303138303432313230353935395a');
$a = $asn1->decodeBER($a);
$a = $asn1->asn1map($a[0], $map);
$this->assertIsArray($a);
}
public function testNullGarbage()
{
$asn1 = new File_ASN1();
$em = pack('H*', '3080305c0609608648016503040201054f8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888804207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
$em = pack('H*', '3080307f0609608648016503040201057288888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888804207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca90000');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
}
public function testOIDGarbage()
{
$asn1 = new File_ASN1();
$em = pack('H*', '3080305c065860864801650304020188888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888050004207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
$em = pack('H*', '3080307f067d608648016503040201888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888804207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
}
public function testConstructedMismatch()
{
$asn1 = new File_ASN1();
$em = pack('H*', '1031300d0609608648016503040201050004207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
$em = pack('H*', '3031100d0609608648016503040201050004207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
$em = pack('H*', '3031300d2609608648016503040201050004207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
$em = pack('H*', '3031300d06096086480165030402012d0004207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
}
public function testBadTagSecondOctet()
{
$asn1 = new File_ASN1();
$em = pack('H*', '3033300f1f808080060960864801650304020104207509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9');
$decoded = $asn1->decodeBER($em);
$this->assertFalse($decoded[0]);
}
}