#!/usr/bin/perl

print "1..26\n";

BEGIN { require 't/funcs.pl' }

use Convert::ASN1;

my $t = 1;

my $asn = Convert::ASN1->new;

btest $t++, $asn->prepare(<

-- ASN.1 from RFC2459 and X.509(2001)

-- Adapted for use with Convert::ASN1

-- Id: x509decode,v 1.1 2002/02/10 16:41:28 gbarr Exp 

-- attribute data types --

Attribute ::= SEQUENCE {

	type			AttributeType,

	values			SET OF AttributeValue

		-- at least one value is required -- 

	}

AttributeType ::= OBJECT IDENTIFIER

AttributeValue ::= DirectoryString  --ANY 

AttributeTypeAndValue ::= SEQUENCE {

	type			AttributeType,

	value			AttributeValue

	}

-- naming data types --

Name ::= CHOICE { -- only one possibility for now 

	rdnSequence		RDNSequence 			

	}

RDNSequence ::= SEQUENCE OF RelativeDistinguishedName

DistinguishedName ::= RDNSequence

RelativeDistinguishedName ::= 

	SET OF AttributeTypeAndValue  --SET SIZE (1 .. MAX) OF

-- Directory string type --

DirectoryString ::= CHOICE {

	teletexString		TeletexString,  --(SIZE (1..MAX)),

	printableString		PrintableString,  --(SIZE (1..MAX)),

	bmpString		BMPString,  --(SIZE (1..MAX)),

	universalString		UniversalString,  --(SIZE (1..MAX)),

	utf8String		UTF8String,  --(SIZE (1..MAX)),

	ia5String		IA5String,  --added for EmailAddress,

	integer			INTEGER

	}

-- certificate and CRL specific structures begin here

Certificate ::= SEQUENCE  {

	tbsCertificate		TBSCertificate,

	signatureAlgorithm	AlgorithmIdentifier,

	signature		BIT STRING

	}

TBSCertificate  ::=  SEQUENCE  {

	version		    [0] EXPLICIT Version OPTIONAL,  --DEFAULT v1

	serialNumber		CertificateSerialNumber,

	signature		AlgorithmIdentifier,

	issuer			Name,

	validity		Validity,

	subject			Name,

	subjectPublicKeyInfo	SubjectPublicKeyInfo,

	issuerUniqueID	    [1] IMPLICIT UniqueIdentifier OPTIONAL,

		-- If present, version shall be v2 or v3

	subjectUniqueID	    [2] IMPLICIT UniqueIdentifier OPTIONAL,

		-- If present, version shall be v2 or v3

	extensions	    [3] EXPLICIT Extensions OPTIONAL

		-- If present, version shall be v3

	}

Version ::= INTEGER  --{  v1(0), v2(1), v3(2)  }

CertificateSerialNumber ::= INTEGER

Validity ::= SEQUENCE {

	notBefore		Time,

	notAfter		Time

	}

Time ::= CHOICE {

	utcTime			UTCTime,

	generalTime		GeneralizedTime

	}

UniqueIdentifier ::= BIT STRING

SubjectPublicKeyInfo ::= SEQUENCE {

	algorithm		AlgorithmIdentifier,

	subjectPublicKey	BIT STRING

	}

RSAPubKeyInfo ::=   SEQUENCE {

	modulus INTEGER,

	exponent INTEGER

	}

Extensions ::= SEQUENCE OF Extension  --SIZE (1..MAX) OF Extension

Extension ::= SEQUENCE {

	extnID			OBJECT IDENTIFIER,

	critical		BOOLEAN OPTIONAL,  --DEFAULT FALSE,

	extnValue		OCTET STRING

	}

AlgorithmIdentifier ::= SEQUENCE {

	algorithm		OBJECT IDENTIFIER,

	parameters		ANY OPTIONAL

	}

--extensions

AuthorityKeyIdentifier ::= SEQUENCE {

      keyIdentifier             [0] KeyIdentifier            OPTIONAL,

      authorityCertIssuer       [1] GeneralNames             OPTIONAL,

      authorityCertSerialNumber [2] CertificateSerialNumber  OPTIONAL }

    -- authorityCertIssuer and authorityCertSerialNumber shall both

    -- be present or both be absent

KeyIdentifier ::= OCTET STRING

SubjectKeyIdentifier ::= KeyIdentifier

-- key usage extension OID and syntax

-- id-ce-keyUsage OBJECT IDENTIFIER ::=  { id-ce 15 }

KeyUsage ::= BIT STRING --{

--      digitalSignature        (0),

--      nonRepudiation          (1),

--      keyEncipherment         (2),

--      dataEncipherment        (3),

--      keyAgreement            (4),

--      keyCertSign             (5),

--      cRLSign                 (6),

--      encipherOnly            (7),

--      decipherOnly            (8) }

-- private key usage period extension OID and syntax

-- id-ce-privateKeyUsagePeriod OBJECT IDENTIFIER ::=  { id-ce 16 }

PrivateKeyUsagePeriod ::= SEQUENCE {

     notBefore       [0]     GeneralizedTime OPTIONAL,

     notAfter        [1]     GeneralizedTime OPTIONAL }

     -- either notBefore or notAfter shall be present

-- certificate policies extension OID and syntax

-- id-ce-certificatePolicies OBJECT IDENTIFIER ::=  { id-ce 32 }

CertificatePolicies ::= SEQUENCE OF PolicyInformation

PolicyInformation ::= SEQUENCE {

     policyIdentifier   CertPolicyId,

     policyQualifiers   SEQUENCE OF

             PolicyQualifierInfo OPTIONAL }

CertPolicyId ::= OBJECT IDENTIFIER

PolicyQualifierInfo ::= SEQUENCE {

       policyQualifierId  PolicyQualifierId,

       qualifier        ANY } --DEFINED BY policyQualifierId }

-- Implementations that recognize additional policy qualifiers shall

-- augment the following definition for PolicyQualifierId

PolicyQualifierId ::=

     OBJECT IDENTIFIER --( id-qt-cps | id-qt-unotice )

-- CPS pointer qualifier

CPSuri ::= IA5String

-- user notice qualifier

UserNotice ::= SEQUENCE {

     noticeRef        NoticeReference OPTIONAL,

     explicitText     DisplayText OPTIONAL}

NoticeReference ::= SEQUENCE {

     organization     DisplayText,

     noticeNumbers    SEQUENCE OF INTEGER }

DisplayText ::= CHOICE {

     visibleString    VisibleString  ,

     bmpString        BMPString      ,

     utf8String       UTF8String      }

-- policy mapping extension OID and syntax

-- id-ce-policyMappings OBJECT IDENTIFIER ::=  { id-ce 33 }

PolicyMappings ::= SEQUENCE OF SEQUENCE {

     issuerDomainPolicy      CertPolicyId,

     subjectDomainPolicy     CertPolicyId }

-- subject alternative name extension OID and syntax

-- id-ce-subjectAltName OBJECT IDENTIFIER ::=  { id-ce 17 }

SubjectAltName ::= GeneralNames

GeneralNames ::= SEQUENCE OF GeneralName

GeneralName ::= CHOICE {

     otherName                       [0]     AnotherName,

     rfc822Name                      [1]     IA5String,

     dNSName                         [2]     IA5String,

     x400Address                     [3]     ANY, --ORAddress,

     directoryName                   [4]     Name,

     ediPartyName                    [5]     EDIPartyName,

     uniformResourceIdentifier       [6]     IA5String,

     iPAddress                       [7]     OCTET STRING,

     registeredID                    [8]     OBJECT IDENTIFIER }

EntrustVersionInfo ::= SEQUENCE {

              entrustVers  GeneralString,

              entrustInfoFlags EntrustInfoFlags }

EntrustInfoFlags::= BIT STRING --{

--      keyUpdateAllowed

--      newExtensions     (1),  -- not used

--      pKIXCertificate   (2) } -- certificate created by pkix

-- AnotherName replaces OTHER-NAME ::= TYPE-IDENTIFIER, as

-- TYPE-IDENTIFIER is not supported in the 88 ASN.1 syntax

AnotherName ::= SEQUENCE {

     type    OBJECT IDENTIFIER,

     value      [0] EXPLICIT ANY } --DEFINED BY type-id }

EDIPartyName ::= SEQUENCE {

     nameAssigner            [0]     DirectoryString OPTIONAL,

     partyName               [1]     DirectoryString }

-- issuer alternative name extension OID and syntax

-- id-ce-issuerAltName OBJECT IDENTIFIER ::=  { id-ce 18 }

IssuerAltName ::= GeneralNames

-- id-ce-subjectDirectoryAttributes OBJECT IDENTIFIER ::=  { id-ce 9 }

SubjectDirectoryAttributes ::= SEQUENCE OF Attribute

-- basic constraints extension OID and syntax

-- id-ce-basicConstraints OBJECT IDENTIFIER ::=  { id-ce 19 }

BasicConstraints ::= SEQUENCE {

     cA                      BOOLEAN OPTIONAL, --DEFAULT FALSE,

     pathLenConstraint       INTEGER OPTIONAL }

-- name constraints extension OID and syntax

-- id-ce-nameConstraints OBJECT IDENTIFIER ::=  { id-ce 30 }

NameConstraints ::= SEQUENCE {

     permittedSubtrees       [0]     GeneralSubtrees OPTIONAL,

     excludedSubtrees        [1]     GeneralSubtrees OPTIONAL }

GeneralSubtrees ::= SEQUENCE OF GeneralSubtree

GeneralSubtree ::= SEQUENCE {

     base                    GeneralName,

     minimum         [0]     BaseDistance OPTIONAL, --DEFAULT 0,

     maximum         [1]     BaseDistance OPTIONAL }

BaseDistance ::= INTEGER 

-- policy constraints extension OID and syntax

-- id-ce-policyConstraints OBJECT IDENTIFIER ::=  { id-ce 36 }

PolicyConstraints ::= SEQUENCE {

     requireExplicitPolicy           [0] SkipCerts OPTIONAL,

     inhibitPolicyMapping            [1] SkipCerts OPTIONAL }

SkipCerts ::= INTEGER 

-- CRL distribution points extension OID and syntax

-- id-ce-cRLDistributionPoints     OBJECT IDENTIFIER  ::=  {id-ce 31}

cRLDistributionPoints  ::= SEQUENCE OF DistributionPoint

DistributionPoint ::= SEQUENCE {

     distributionPoint       [0]     DistributionPointName OPTIONAL,

     reasons                 [1]     ReasonFlags OPTIONAL,

     cRLIssuer               [2]     GeneralNames OPTIONAL }

DistributionPointName ::= CHOICE {

     fullName                [0]     GeneralNames,

     nameRelativeToCRLIssuer [1]     RelativeDistinguishedName }

ReasonFlags ::= BIT STRING --{

--     unused                  (0),

--     keyCompromise           (1),

--     cACompromise            (2),

--     affiliationChanged      (3),

--     superseded              (4),

--     cessationOfOperation    (5),

--     certificateHold         (6),

--     privilegeWithdrawn      (7),

--     aACompromise            (8) }

-- extended key usage extension OID and syntax

-- id-ce-extKeyUsage OBJECT IDENTIFIER ::= {id-ce 37}

ExtKeyUsageSyntax ::= SEQUENCE OF KeyPurposeId

KeyPurposeId ::= OBJECT IDENTIFIER

-- extended key purpose OIDs

-- id-kp-serverAuth      OBJECT IDENTIFIER ::= { id-kp 1 }

-- id-kp-clientAuth      OBJECT IDENTIFIER ::= { id-kp 2 }

-- id-kp-codeSigning     OBJECT IDENTIFIER ::= { id-kp 3 }

-- id-kp-emailProtection OBJECT IDENTIFIER ::= { id-kp 4 }

-- id-kp-ipsecEndSystem  OBJECT IDENTIFIER ::= { id-kp 5 }

-- id-kp-ipsecTunnel     OBJECT IDENTIFIER ::= { id-kp 6 }

-- id-kp-ipsecUser       OBJECT IDENTIFIER ::= { id-kp 7 }

-- id-kp-timeStamping    OBJECT IDENTIFIER ::= { id-kp 8 }

-- authority info access

-- id-pe-authorityInfoAccess OBJECT IDENTIFIER ::= { id-pe 1 }

AuthorityInfoAccessSyntax  ::=

        SEQUENCE OF AccessDescription --SIZE (1..MAX) OF AccessDescription

AccessDescription  ::=  SEQUENCE {

        accessMethod          OBJECT IDENTIFIER,

        accessLocation        GeneralName  }

-- subject info access

-- id-pe-subjectInfoAccess OBJECT IDENTIFIER ::= { id-pe 11 }

SubjectInfoAccessSyntax  ::=

        SEQUENCE OF AccessDescription --SIZE (1..MAX) OF AccessDescription

-- pgp creation time

PGPExtension ::= SEQUENCE {

       version             Version, -- DEFAULT v1(0)

       keyCreation         Time

}

ASN1

btest $t++, my $parser = $asn->find('Certificate');

btest $t++, my $crlp   = $asn->find('cRLDistributionPoints');

my %certs = (

  't/aj.cer'           => ["http://rootca.allianz.com/ad-ca/ad-ca.crl"],

  't/aj2.cer'          => ["http://rootca.allianz.com/sc-ad-ca/sc-ad-ca.crl"],

  't/allianz_root.cer' => ["http://rootca.allianz.com/rootca.crl"],

  't/pgpextension.der' => ["http://ca.mayfirst.org/mfpl.crl"],

  't/subca_2.cer'      => [

    "ldap://ldap.treas.gov/cn=CRL1,ou=US%20Treasury%20Root%20CA,ou=Certification%20Authorities,ou=Department%20of%20the%20Treasury,o=U.S.%20Government,c=US?authorityRevocationList"

  ],

  't/dsacert.der'           => undef,

  't/new_root_ca.cer'       => undef,

  't/telesec_799972029.crt' => undef,

  't/verisign.der'          => undef,

);

for my $file (sort keys %certs) {

  print "# $file\n";

  my $cert = loadcert($file);

  btest $t++, my $data = $parser->decode($cert);

  $data ||= {};

  my $extns = $data->{tbsCertificate}{extensions} || [];

  my ($ext) = grep { $_->{'extnID'} eq '2.5.29.31' } @$extns;

  if ($ext) {

    my $points = $crlp->decode($ext->{'extnValue'});    # decode the value

    $points = $points && $points->[0]->{'distributionPoint'}->{'fullName'};

    btest $t++, !$crlp->error or warn($crlp->error);

    my @points = grep $_, map { $_->{'uniformResourceIdentifier'} } @{$points || []};

    rtest $t++, $certs{$file}, \@points;

  }

  else {

    btest $t++, !$certs{$file};

  }

}

sub loadcert {

  my $file = shift;

  open FILE, $file || die "cannot load test certificate" . $file . "\n";

  binmode FILE;    # HELLO Windows, dont fuss with this

  my $holdTerminator = $/;

  undef $/;        # using slurp mode to read the DER-encoded binary certificate

  my $cert = <FILE>;

  $/ = $holdTerminator;

  close FILE;

  return $cert;

}