private void Empty (BasicConstraintsExtension bce)
{
Assert.IsFalse (bce.Critical, "Critical");
Assert.AreEqual ("2.5.29.19", bce.Oid, "Oid");
Assert.IsNotNull (bce.Name, "Name");
Assert.IsFalse (bce.Name == bce.Oid, "Name!=Oid");
Assert.IsFalse (bce.CertificateAuthority, "CertificateAuthority");
Assert.AreEqual (BasicConstraintsExtension.NoPathLengthConstraint, bce.PathLenConstraint, "PathLenConstraint");
}
public void CertificateAuthority_NoPathLengthConstraint ()
{
BasicConstraintsExtension bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = true;
bce.PathLenConstraint = BasicConstraintsExtension.NoPathLengthConstraint;
Assert.AreEqual ("30-0C-06-03-55-1D-13-04-05-30-03-01-01-FF", BitConverter.ToString (bce.GetBytes ()), "GetBytes");
BasicConstraintsExtension bce2 = new BasicConstraintsExtension (bce.ASN1);
Assert.IsFalse (bce2.Critical, "Critical");
Assert.IsTrue (bce2.CertificateAuthority, "CertificateAuthority");
Assert.AreEqual (BasicConstraintsExtension.NoPathLengthConstraint, bce2.PathLenConstraint, "PathLenConstraint");
}
public void CertificateAuthority_Critical ()
{
BasicConstraintsExtension bce = new BasicConstraintsExtension ();
bce.Critical = true;
bce.CertificateAuthority = true;
bce.PathLenConstraint = 0;
Assert.AreEqual ("30-12-06-03-55-1D-13-01-01-FF-04-08-30-06-01-01-FF-02-01-00", BitConverter.ToString (bce.GetBytes ()), "GetBytes");
BasicConstraintsExtension bce2 = new BasicConstraintsExtension (bce.ASN1);
Assert.IsTrue (bce2.Critical, "Critical");
Assert.IsTrue (bce2.CertificateAuthority, "CertificateAuthority");
Assert.AreEqual (0, bce2.PathLenConstraint, "PathLenConstraint");
}
internal MSX509.X509Certificate2 GetCertificate(string name)
{
List<X509Extension> extensions = new List<X509Extension>();
BasicConstraintsExtension constraints = new BasicConstraintsExtension();
constraints.CertificateAuthority = false;
constraints.Critical = true;
extensions.Add(constraints);
KeyUsageExtension keyUsage = new KeyUsageExtension();
keyUsage.KeyUsage = KeyUsages.digitalSignature | KeyUsages.nonRepudiation | KeyUsages.keyEncipherment;
extensions.Add(keyUsage);
ExtendedKeyUsageExtension extendedUsage = new ExtendedKeyUsageExtension();
extendedUsage.KeyPurpose.Add("1.3.6.1.5.5.7.3.1");
extendedUsage.KeyPurpose.Add("1.3.6.1.5.5.7.3.2");
extensions.Add(extendedUsage);
return CreateCertificate(name, extensions, GetRootCertificate(), state_.Config.X509.AuthorityName, MSX509.StoreName.My, state_.Config.X509.RootValidity);
}
private bool IsParent (X509Certificate child, X509Certificate parent)
{
if (child.IssuerName != parent.SubjectName)
return false;
// parent MUST have the Basic Constraint CA=true (except for trusted roots)
// see why at http://www.microsoft.com/technet/security/bulletin/MS02-050.asp
if ((parent.Version > 2) && (!IsTrusted (parent))) {
// TODO: we do not support pathLenConstraint
X509Extension ext = parent.Extensions ["2.5.29.19"];
if (ext != null) {
BasicConstraintsExtension bc = new BasicConstraintsExtension (ext);
if (!bc.CertificateAuthority)
_status = X509ChainStatusFlags.InvalidBasicConstraints;
}
else
_status = X509ChainStatusFlags.InvalidBasicConstraints;
}
if (!child.VerifySignature (parent.RSA)) {
_status = X509ChainStatusFlags.NotSignatureValid;
return false;
}
return true;
}
public bool VerifySignature (X509Certificate x509)
{
if (x509 == null)
throw new ArgumentNullException ("x509");
// 1. x509 certificate must be a CA certificate (unknown for v1 or v2 certs)
if (x509.Version >= 3) {
BasicConstraintsExtension basicConstraints = null;
// 1.2. Check for ca = true in BasicConstraint
X509Extension ext = x509.Extensions ["2.5.29.19"];
if (ext != null) {
basicConstraints = new BasicConstraintsExtension (ext);
if (!basicConstraints.CertificateAuthority)
return false;
}
// 1.1. Check for "cRLSign" bit in KeyUsage extension
ext = x509.Extensions ["2.5.29.15"];
if (ext != null) {
KeyUsageExtension keyUsage = new KeyUsageExtension (ext);
if (!keyUsage.Support (KeyUsages.cRLSign)) {
// 2nd chance if basicConstraints is CertificateAuthority
// and KeyUsage support digitalSignature
if ((basicConstraints == null) || !keyUsage.Support (KeyUsages.digitalSignature))
return false;
}
}
}
// 2. CRL issuer must match CA subject name
if (issuer != x509.SubjectName)
return false;
// 3. Check the CRL signature with the CA certificate public key
switch (signatureOID) {
case "1.2.840.10040.4.3":
return VerifySignature (x509.DSA);
default:
return VerifySignature (x509.RSA);
}
}
static int Main (string[] args)
{
if (args.Length < 1) {
Header ();
Console.WriteLine ("ERROR: Missing output filename {0}", Environment.NewLine);
Help ();
return -1;
}
string fileName = args [args.Length - 1];
// default values
byte[] sn = Guid.NewGuid ().ToByteArray ();
string subject = defaultSubject;
string issuer = defaultIssuer;
DateTime notBefore = DateTime.Now;
DateTime notAfter = new DateTime (643445675990000000); // 12/31/2039 23:59:59Z
RSA issuerKey = (RSA)RSA.Create ();
issuerKey.FromXmlString (MonoTestRootAgency);
RSA subjectKey = (RSA)RSA.Create ();
bool selfSigned = false;
string hashName = "SHA1";
CspParameters subjectParams = new CspParameters ();
CspParameters issuerParams = new CspParameters ();
BasicConstraintsExtension bce = null;
ExtendedKeyUsageExtension eku = null;
SubjectAltNameExtension alt = null;
string p12file = null;
string p12pwd = null;
X509Certificate issuerCertificate = null;
Header();
try {
int i=0;
while (i < args.Length) {
switch (args [i++]) {
// Basic options
case "-#":
// Serial Number
sn = BitConverter.GetBytes (Convert.ToInt32 (args [i++]));
break;
case "-n":
// Subject Distinguish Name
subject = args [i++];
break;
case "-$":
// (authenticode) commercial or individual
// CRITICAL KeyUsageRestriction extension
// hash algorithm
string usageRestriction = args [i++].ToLower ();
switch (usageRestriction) {
case "commercial":
case "individual":
Console.WriteLine ("WARNING: Unsupported deprecated certification extension KeyUsageRestriction not included");
// Console.WriteLine ("WARNING: ExtendedKeyUsage for codesigning has been included.");
break;
default:
Console.WriteLine ("Unsupported restriction " + usageRestriction);
return -1;
}
break;
// Extended Options
case "-a":
// hash algorithm
switch (args [i++].ToLower ()) {
case "sha1":
hashName = "SHA1";
break;
case "md5":
Console.WriteLine ("WARNING: MD5 is no more safe for this usage.");
hashName = "MD5";
break;
default:
Console.WriteLine ("Unsupported hash algorithm");
break;
}
break;
case "-b":
// Validity / notBefore
notBefore = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
break;
case "-cy":
// basic constraints - autority or end-entity
switch (args [i++].ToLower ()) {
case "authority":
if (bce == null)
bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = true;
break;
case "end":
// do not include extension
bce = null;
break;
case "both":
Console.WriteLine ("ERROR: No more supported in X.509");
return -1;
default:
Console.WriteLine ("Unsupported certificate type");
return -1;
}
break;
case "-d":
// CN private extension ?
Console.WriteLine ("Unsupported option");
break;
case "-e":
// Validity / notAfter
notAfter = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
break;
case "-eku":
// extendedKeyUsage extension
char[] sep = { ',' };
string[] purposes = args [i++].Split (sep);
if (eku == null)
eku = new ExtendedKeyUsageExtension ();
foreach (string purpose in purposes) {
eku.KeyPurpose.Add (purpose);
}
break;
case "-h":
// pathLength (basicConstraints)
// MS use an old basicConstrains (2.5.29.10) which
// allows both CA and End-Entity. This is no
// more supported with 2.5.29.19.
if (bce == null) {
bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = true;
}
bce.PathLenConstraint = Convert.ToInt32 (args [i++]);
break;
case "-alt":
if (alt == null) {
string [] dnsNames = File.ReadAllLines (args [i++]);
alt = new SubjectAltNameExtension (null, dnsNames, null, null);
}
break;
case "-ic":
issuerCertificate = LoadCertificate (args [i++]);
issuer = issuerCertificate.SubjectName;
break;
case "-in":
issuer = args [i++];
break;
case "-iv":
// TODO password
PrivateKey pvk = PrivateKey.CreateFromFile (args [i++]);
issuerKey = pvk.RSA;
break;
case "-l":
// link (URL)
// spcSpAgencyInfo private extension
Console.WriteLine ("Unsupported option");
break;
case "-m":
// validity period (in months)
notAfter = notBefore.AddMonths (Convert.ToInt32 (args [i++]));
break;
case "-nscp":
// Netscape's private extensions - NetscapeCertType
// BasicContraints - End Entity
Console.WriteLine ("Unsupported option");
break;
case "-r":
selfSigned = true;
break;
case "-sc":
// subject certificate ? renew ?
Console.WriteLine ("Unsupported option");
break;
// Issuer CspParameters options
case "-ik":
issuerParams.KeyContainerName = args [i++];
break;
case "-iky":
// select a key in the provider
string ikn = args [i++].ToLower ();
switch (ikn) {
case "signature":
issuerParams.KeyNumber = 0;
break;
case "exchange":
issuerParams.KeyNumber = 1;
break;
default:
issuerParams.KeyNumber = Convert.ToInt32 (ikn);
break;
}
break;
case "-ip":
issuerParams.ProviderName = args [i++];
break;
case "-ir":
switch (args [i++].ToLower ()) {
case "localmachine":
issuerParams.Flags = CspProviderFlags.UseMachineKeyStore;
break;
case "currentuser":
issuerParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
break;
default:
Console.WriteLine ("Unknown key store for issuer");
return -1;
}
break;
case "-is":
Console.WriteLine ("Unsupported option");
return -1;
case "-iy":
issuerParams.ProviderType = Convert.ToInt32 (args [i++]);
break;
// Subject CspParameters Options
case "-sk":
subjectParams.KeyContainerName = args [i++];
break;
case "-sky":
// select a key in the provider
string skn = args [i++].ToLower ();
switch (skn) {
case "signature":
subjectParams.KeyNumber = 0;
break;
case "exchange":
subjectParams.KeyNumber = 1;
break;
default:
subjectParams.KeyNumber = Convert.ToInt32 (skn);
break;
}
break;
case "-sp":
subjectParams.ProviderName = args [i++];
break;
case "-sr":
switch (args [i++].ToLower ()) {
case "localmachine":
subjectParams.Flags = CspProviderFlags.UseMachineKeyStore;
break;
case "currentuser":
subjectParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
break;
default:
Console.WriteLine ("Unknown key store for subject");
return -1;
}
break;
case "-ss":
Console.WriteLine ("Unsupported option");
return -1;
case "-sv":
string pvkFile = args [i++];
if (File.Exists (pvkFile)) {
PrivateKey key = PrivateKey.CreateFromFile (pvkFile);
subjectKey = key.RSA;
}
else {
PrivateKey key = new PrivateKey ();
key.RSA = subjectKey;
key.Save (pvkFile);
}
break;
case "-sy":
subjectParams.ProviderType = Convert.ToInt32 (args [i++]);
break;
// Mono Specific Options
case "-p12":
p12file = args [i++];
p12pwd = args [i++];
break;
// Other options
case "-?":
Help ();
return 0;
case "-!":
ExtendedHelp ();
return 0;
default:
if (i != args.Length) {
Console.WriteLine ("ERROR: Unknown parameter");
Help ();
return -1;
}
break;
}
}
// serial number MUST be positive
if ((sn [0] & 0x80) == 0x80)
sn [0] -= 0x80;
if (selfSigned) {
if (subject != defaultSubject) {
issuer = subject;
issuerKey = subjectKey;
}
else {
subject = issuer;
subjectKey = issuerKey;
}
}
if (subject == null)
throw new Exception ("Missing Subject Name");
X509CertificateBuilder cb = new X509CertificateBuilder (3);
cb.SerialNumber = sn;
cb.IssuerName = issuer;
cb.NotBefore = notBefore;
cb.NotAfter = notAfter;
cb.SubjectName = subject;
cb.SubjectPublicKey = subjectKey;
// extensions
if (bce != null)
cb.Extensions.Add (bce);
if (eku != null)
cb.Extensions.Add (eku);
if (alt != null)
cb.Extensions.Add (alt);
// signature
cb.Hash = hashName;
byte[] rawcert = cb.Sign (issuerKey);
if (p12file == null) {
WriteCertificate (fileName, rawcert);
} else {
PKCS12 p12 = new PKCS12 ();
p12.Password = p12pwd;
ArrayList list = new ArrayList ();
// we use a fixed array to avoid endianess issues
// (in case some tools requires the ID to be 1).
list.Add (new byte [4] { 1, 0, 0, 0 });
Hashtable attributes = new Hashtable (1);
attributes.Add (PKCS9.localKeyId, list);
p12.AddCertificate (new X509Certificate (rawcert), attributes);
if (issuerCertificate != null)
p12.AddCertificate (issuerCertificate);
p12.AddPkcs8ShroudedKeyBag (subjectKey, attributes);
p12.SaveToFile (p12file);
}
Console.WriteLine ("Success");
return 0;
}
catch (Exception e) {
Console.WriteLine ("ERROR: " + e.ToString ());
Help ();
}
return 1;
}
private MSX509.X509Certificate2 GetRootCertificate()
{
List<X509Extension> extensions = new List<X509Extension>();
BasicConstraintsExtension constraints = new BasicConstraintsExtension();
constraints.CertificateAuthority = true;
constraints.Critical = true;
extensions.Add(constraints);
KeyUsageExtension keyUsage = new KeyUsageExtension();
keyUsage.KeyUsage = KeyUsages.keyCertSign | KeyUsages.cRLSign;
extensions.Add(keyUsage);
return CreateCertificate(state_.Config.X509.AuthorityName, extensions, null, state_.Config.X509.AuthorityName, MSX509.StoreName.Root, state_.Config.X509.RootValidity);
}
public void NotCertificateAuthority ()
{
BasicConstraintsExtension bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = false;
// CertificateAuthority isn't encoded (default value is false)
bce.PathLenConstraint = Int32.MaxValue;
// PathLenConstraint is ignored (per RFC3280)
Assert.AreEqual ("30-09-06-03-55-1D-13-04-02-30-00", BitConverter.ToString (bce.GetBytes ()), "GetBytes");
BasicConstraintsExtension bce2 = new BasicConstraintsExtension (bce.ASN1);
Assert.IsFalse (bce2.Critical, "Critical");
Assert.IsFalse (bce2.CertificateAuthority, "CertificateAuthority");
Assert.AreEqual (BasicConstraintsExtension.NoPathLengthConstraint, bce2.PathLenConstraint, "PathLenConstraint");
}
public void Constructor_ASN1 ()
{
BasicConstraintsExtension ext = new BasicConstraintsExtension ();
BasicConstraintsExtension bce = new BasicConstraintsExtension (ext.ASN1);
Empty (bce);
}
public void Constructor_Empty ()
{
BasicConstraintsExtension bce = new BasicConstraintsExtension ();
Empty (bce);
}
public void NegativePathLenConstraint ()
{
BasicConstraintsExtension bce = new BasicConstraintsExtension ();
bce.PathLenConstraint = Int32.MinValue;
}
static void Main(string[] args)
{
var assembly = Assembly.GetExecutingAssembly();
var title = (AssemblyTitleAttribute)Attribute.GetCustomAttribute(assembly, typeof(AssemblyTitleAttribute));
Console.WriteLine("{0} version {1}", title.Title, assembly.GetName().Version);
var copyright = (AssemblyCopyrightAttribute)Attribute.GetCustomAttribute(assembly, typeof(AssemblyCopyrightAttribute));
Console.WriteLine(copyright.Copyright);
Console.WriteLine("More information can be found at https://Jexus.codeplex.com");
Console.WriteLine();
var baseAddress = args.Length > 0 ? args[0] : "https://*****:*****@"Remote services must be run as root on Linux.");
return;
}
if (!File.Exists("jws"))
{
Console.WriteLine(@"Remote services must be running in Jexus installation folder.");
return;
}
var loc = baseAddress.LastIndexOf(':');
var port = "443";
if (loc != -1)
{
port = baseAddress.Substring(loc + 1);
}
string dirname = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
string path = Path.Combine(dirname, ".mono", "httplistener");
if (false == Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string target_cert = Path.Combine(path, string.Format("{0}.cer", port));
if (File.Exists(target_cert))
{
Console.WriteLine("Use {0}", target_cert);
}
else
{
Console.WriteLine("Generating a self-signed certificate for Jexus Manager");
// Generate certificate
string defaultIssuer = "CN=jexus.lextudio.com";
string defaultSubject = "CN=jexus.lextudio.com";
byte[] sn = Guid.NewGuid().ToByteArray();
string subject = defaultSubject;
string issuer = defaultIssuer;
DateTime notBefore = DateTime.Now;
DateTime notAfter = new DateTime(643445675990000000); // 12/31/2039 23:59:59Z
RSA issuerKey = new RSACryptoServiceProvider(2048);
RSA subjectKey = null;
bool selfSigned = true;
string hashName = "SHA1";
CspParameters subjectParams = new CspParameters();
CspParameters issuerParams = new CspParameters();
BasicConstraintsExtension bce = new BasicConstraintsExtension
{
PathLenConstraint = BasicConstraintsExtension.NoPathLengthConstraint,
CertificateAuthority = true
};
ExtendedKeyUsageExtension eku = new ExtendedKeyUsageExtension();
eku.KeyPurpose.Add("1.3.6.1.5.5.7.3.1");
SubjectAltNameExtension alt = null;
string p12file = Path.Combine(path, "temp.pfx");
string p12pwd = "test";
// serial number MUST be positive
if ((sn[0] & 0x80) == 0x80)
sn[0] -= 0x80;
if (selfSigned)
{
if (subject != defaultSubject)
{
issuer = subject;
issuerKey = subjectKey;
}
else
{
subject = issuer;
subjectKey = issuerKey;
}
}
if (subject == null)
throw new Exception("Missing Subject Name");
X509CertificateBuilder cb = new X509CertificateBuilder(3);
cb.SerialNumber = sn;
cb.IssuerName = issuer;
cb.NotBefore = notBefore;
cb.NotAfter = notAfter;
cb.SubjectName = subject;
cb.SubjectPublicKey = subjectKey;
// extensions
if (bce != null)
cb.Extensions.Add(bce);
if (eku != null)
cb.Extensions.Add(eku);
if (alt != null)
cb.Extensions.Add(alt);
IDigest digest = new Sha1Digest();
byte[] resBuf = new byte[digest.GetDigestSize()];
var spki = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(DotNetUtilities.GetRsaPublicKey(issuerKey));
byte[] bytes = spki.PublicKeyData.GetBytes();
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
cb.Extensions.Add(new SubjectKeyIdentifierExtension { Identifier = resBuf });
cb.Extensions.Add(new AuthorityKeyIdentifierExtension { Identifier = resBuf });
// signature
cb.Hash = hashName;
byte[] rawcert = cb.Sign(issuerKey);
PKCS12 p12 = new PKCS12();
p12.Password = p12pwd;
ArrayList list = new ArrayList();
// we use a fixed array to avoid endianess issues
// (in case some tools requires the ID to be 1).
list.Add(new byte[4] { 1, 0, 0, 0 });
Hashtable attributes = new Hashtable(1);
attributes.Add(PKCS9.localKeyId, list);
p12.AddCertificate(new Mono.Security.X509.X509Certificate(rawcert), attributes);
p12.AddPkcs8ShroudedKeyBag(subjectKey, attributes);
p12.SaveToFile(p12file);
var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(p12file, p12pwd, System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable);
// Install certificate
string target_pvk = Path.Combine(path, string.Format("{0}.pvk", port));
using (Stream cer = File.OpenWrite(target_cert))
{
byte[] raw = x509.RawData;
cer.Write(raw, 0, raw.Length);
}
PrivateKey pvk = new PrivateKey();
pvk.RSA = subjectKey;
pvk.Save(target_pvk);
}
}
JexusServer.Credentials = args.Length > 2 ? args[1] + "|" + args[2] : "jexus|lextudio.com";
JexusServer.Timeout = args.Length > 3 ? double.Parse(args[3]) : 30D;
using (WebApp.Start<Startup>(url: baseAddress))
{
Console.WriteLine("Remote services have started at {0}.", baseAddress);
Console.WriteLine("Credentials is {0}", JexusServer.Credentials);
Console.WriteLine("Press Enter to quit.");
Console.ReadLine();
}
}
