mcs/tools/security/makecert.cs

   1 //
   2 // MakeCert.cs: makecert clone tool
   3 //
   4 // Author:
   5 //      Sebastien Pouliot <sebastien@ximian.com>
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   9 //
  10
  11 using System;
  12 using System.Globalization;
  13 using System.IO;
  14 using System.Reflection;
  15 using System.Security.Cryptography;
  16
  17 using Mono.Security.Authenticode;
  18 using Mono.Security.X509;
  19 using Mono.Security.X509.Extensions;
  20
  21 [assembly: AssemblyTitle("Mono MakeCert")]
  22 [assembly: AssemblyDescription("X.509 Certificate Builder")]
  23
  24 namespace Mono.Tools {
  25
  26         class MakeCert {
  27
  28                 static private void Header ()
  29                 {
  30                         Console.WriteLine (new AssemblyInfo ().ToString ());
  31                 }
  32
  33                 static private void Help ()
  34                 {
  35                         Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
  36                         Console.WriteLine (" -# num{0}\tCertificate serial number", Environment.NewLine);
  37                         Console.WriteLine (" -n dn{0}\tSubject Distinguished Name", Environment.NewLine);
  38                         Console.WriteLine (" -in dn{0}\tIssuert Distinguished Name", Environment.NewLine);
  39                         Console.WriteLine (" -r{0}\tCreate a self-signed (root) certificate", Environment.NewLine);
  40                         Console.WriteLine (" -sv pkvfile{0}\tPrivate key file (.PVK) for the subject (created if missing)", Environment.NewLine);
  41                         Console.WriteLine (" -iv pvkfile{0}\tPrivate key file (.PVK) for the issuer", Environment.NewLine);
  42                         Console.WriteLine (" -ic certfile{0}\tExtract the issuer's name from the specified certificate", Environment.NewLine);
  43                         Console.WriteLine (" -?{0}\thelp (display this help message)", Environment.NewLine);
  44                         Console.WriteLine (" -!{0}\textended help (for advanced options)", Environment.NewLine);
  45                 }
  46
  47                 static private void ExtendedHelp ()
  48                 {
  49                         Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
  50                         Console.WriteLine (" -a hash\tSelect hash algorithm. Only MD5 and SHA1 are supported.");
  51                         Console.WriteLine (" -b date\tThe date since when the certificate is valid (notBefore).");
  52                         Console.WriteLine (" -cy [authority|end]\tBasic constraints. Select Authority or End-Entity certificate.");
  53                         Console.WriteLine (" -e date\tThe date until when the certificate is valid (notAfter).");
  54                         Console.WriteLine (" -eku oid[,oid]\tAdd some extended key usage OID to the certificate.");
  55                         Console.WriteLine (" -h number\tAdd a path length restriction to the certificate chain.");
  56                         Console.WriteLine (" -ic cert\tTake the issuer's name from the specified certificate.");
  57                         Console.WriteLine (" -in name\tTake the issuer's name from the specified parameter.");
  58                         Console.WriteLine (" -iv pvkfile\tSign the certificate using the private key inside the PVK file.");
  59                         Console.WriteLine (" -m number\tCertificate validity period (in months).");
  60                         Console.WriteLine (" -sv pvkfile\tCreate a new PVK file if non-existant, otherwise use the PVK file as the subject public key.");
  61                         Console.WriteLine (" -?\thelp (display basic message)");
  62                 }
  63
  64                 static X509Certificate LoadCertificate (string filename)
  65                 {
  66                         FileStream fs = new FileStream (filename, FileMode.Open, FileAccess.Read, FileShare.Read);
  67                         byte[] rawcert = new byte [fs.Length];
  68                         fs.Read (rawcert, 0, rawcert.Length);
  69                         fs.Close ();
  70                         return new X509Certificate (rawcert);
  71                 }
  72
  73                 static void WriteCertificate (string filename, byte[] rawcert)
  74                 {
  75                         FileStream fs = File.Open (filename, FileMode.Create, FileAccess.Write);
  76                         fs.Write (rawcert, 0, rawcert.Length);
  77                         fs.Close ();
  78                 }
  79
  80                 static string MonoTestRootAgency = "<RSAKeyValue><Modulus>v/4nALBxCE+9JgEC0LnDUvKh6e96PwTpN4Rj+vWnqKT7IAp1iK/JjuqvAg6DQ2vTfv0dTlqffmHH51OyioprcT5nzxcSTsZb/9jcHScG0s3/FRIWnXeLk/fgm7mSYhjUaHNI0m1/NTTktipicjKxo71hGIg9qucCWnDum+Krh/k=</Modulus><Exponent>AQAB</Exponent><P>9jbKxMXEruW2CfZrzhxtull4O8P47+mNsEL+9gf9QsRO1jJ77C+jmzfU6zbzjf8+ViK+q62tCMdC1ZzulwdpXQ==</P><Q>x5+p198l1PkK0Ga2mRh0SIYSykENpY2aLXoyZD/iUpKYAvATm0/wvKNrE4dKJyPCA+y3hfTdgVag+SP9avvDTQ==</Q><DP>ISSjCvXsUfbOGG05eddN1gXxL2pj+jegQRfjpk7RAsnWKvNExzhqd5x+ZuNQyc6QH5wxun54inP4RTUI0P/IaQ==</DP><DQ>R815VQmR3RIbPqzDXzv5j6CSH6fYlcTiQRtkBsUnzhWmkd/y3XmamO+a8zJFjOCCx9CcjpVuGziivBqi65lVPQ==</DQ><InverseQ>iYiu0KwMWI/dyqN3RJYUzuuLj02/oTD1pYpwo2rvNCXU1Q5VscOeu2DpNg1gWqI+1RrRCsEoaTNzXB1xtKNlSw==</InverseQ><D>nIfh1LYF8fjRBgMdAH/zt9UKHWiaCnc+jXzq5tkR8HVSKTVdzitD8bl1JgAfFQD8VjSXiCJqluexy/B5SGrCXQ49c78NIQj0hD+J13Y8/E0fUbW1QYbhj6Ff7oHyhaYe1WOQfkp2t/h+llHOdt1HRf7bt7dUknYp7m8bQKGxoYE=</D></RSAKeyValue>";
  81
  82                 static string defaultIssuer = "CN=Mono Test Root Agency";
  83                 static string defaultSubject = "CN=Poupou's-Software-Factory";
  84
  85                 [STAThread]
  86                 static int Main (string[] args)
  87                 {
  88                         if (args.Length < 1) {
  89                                 Header ();
  90                                 Console.WriteLine ("ERROR: Missing output filename {0}", Environment.NewLine);
  91                                 Help ();
  92                                 return -1;
  93                         }
  94
  95                         string fileName = args [args.Length - 1];
  96
  97                         // default values
  98                         byte[] sn = Guid.NewGuid ().ToByteArray ();
  99                         string subject = defaultSubject;
 100                         string issuer = defaultIssuer;
 101                         DateTime notBefore = DateTime.Now;
 102                         DateTime notAfter = new DateTime (643445675990000000); // 12/31/2039 23:59:59Z
 103
 104                         RSA issuerKey = (RSA)RSA.Create ();
 105                         issuerKey.FromXmlString (MonoTestRootAgency);
 106                         RSA subjectKey = (RSA)RSA.Create ();
 107
 108                         bool selfSigned = false;
 109                         string hashName = "MD5";
 110
 111                         CspParameters subjectParams = new CspParameters ();
 112                         CspParameters issuerParams = new CspParameters ();
 113                         BasicConstraintsExtension bce = null;
 114                         ExtendedKeyUsageExtension eku = null;
 115
 116                         Header();
 117                         try {
 118                                 int i=0;
 119                                 while (i < args.Length) {
 120                                         switch (args [i++]) {
 121                                                 // Basic options
 122                                                 case "-#":
 123                                                         // Serial Number
 124                                                         sn = BitConverter.GetBytes (Convert.ToInt32 (args [i++]));
 125                                                         break;
 126                                                 case "-n":
 127                                                         // Subject Distinguish Name
 128                                                         subject = args [i++];
 129                                                         break;
 130                                                 case "-$":
 131                                                         // (authenticode) commercial or individual
 132                                                         // CRITICAL KeyUsageRestriction extension
 133                                                         // hash algorithm
 134                                                         string usageRestriction = args [i++].ToLower ();
 135                                                         switch (usageRestriction) {
 136                                                                 case "commercial":
 137                                                                 case "individual":
 138                                                                         Console.WriteLine ("WARNING: Unsupported deprecated certification extension KeyUsageRestriction not included");
 139 //                                                                      Console.WriteLine ("WARNING: ExtendedKeyUsage for codesigning has been included.");
 140                                                                         break;
 141                                                                 default:
 142                                                                         Console.WriteLine ("Unsupported restriction " + usageRestriction);
 143                                                                         return -1;
 144                                                         }
 145                                                         break;
 146                                                 // Extended Options
 147                                                 case "-a":
 148                                                         // hash algorithm
 149                                                         switch (args [i++].ToLower ()) {
 150                                                                 case "sha1":
 151                                                                         hashName = "SHA1";
 152                                                                         break;
 153                                                                 case "md5":
 154                                                                         hashName = "MD5";
 155                                                                         break;
 156                                                                 default:
 157                                                                         Console.WriteLine ("Unsupported hash algorithm");
 158                                                                         break;
 159                                                         }
 160                                                         break;
 161                                                 case "-b":
 162                                                         // Validity / notBefore
 163                                                         notBefore = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
 164                                                         break;
 165                                                 case "-cy":
 166                                                         // basic constraints - autority or end-entity
 167                                                         switch (args [i++].ToLower ()) {
 168                                                                 case "authority":
 169                                                                         if (bce == null)
 170                                                                                 bce = new BasicConstraintsExtension ();
 171                                                                         bce.CertificateAuthority = true;
 172                                                                         break;
 173                                                                 case "end":
 174                                                                         // do not include extension
 175                                                                         bce = null;
 176                                                                         break;
 177                                                                 case "both":
 178                                                                         Console.WriteLine ("ERROR: No more supported in X.509");
 179                                                                         return -1;
 180                                                                 default:
 181                                                                         Console.WriteLine ("Unsupported certificate type");
 182                                                                         return -1;
 183                                                         }
 184                                                         break;
 185                                                 case "-d":
 186                                                         // CN private extension ?
 187                                                         Console.WriteLine ("Unsupported option");
 188                                                         break;
 189                                                 case "-e":
 190                                                         // Validity / notAfter
 191                                                         notAfter = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
 192                                                         break;
 193                                                 case "-eku":
 194                                                         // extendedKeyUsage extension
 195                                                         char[] sep = { ',' };
 196                                                         string[] purposes = args [i++].Split (sep);
 197                                                         if (eku == null)
 198                                                                 eku = new ExtendedKeyUsageExtension ();
 199                                                         foreach (string purpose in purposes) {
 200                                                                 eku.KeyPurpose.Add (purpose);
 201                                                         }
 202                                                         break;
 203                                                 case "-h":
 204                                                         // pathLength (basicConstraints)
 205                                                         // MS use an old basicConstrains (2.5.29.10) which
 206                                                         // allows both CA and End-Entity. This is no
 207                                                         // more supported with 2.5.29.19.
 208                                                         if (bce == null) {
 209                                                                 bce = new BasicConstraintsExtension ();
 210                                                                 bce.CertificateAuthority = true;
 211                                                         }
 212                                                         bce.PathLenConstraint = Convert.ToInt32 (args [i++]);
 213                                                         break;
 214                                                 case "-ic":
 215                                                         X509Certificate x509 = LoadCertificate (args [i++]);
 216                                                         issuer = x509.SubjectName;
 217                                                         break;
 218                                                 case "-in":
 219                                                         issuer = args [i++];
 220                                                         break;
 221                                                 case "-iv":
 222                                                         // TODO password
 223                                                         PrivateKey pvk = PrivateKey.CreateFromFile (args [i++]);
 224                                                         issuerKey = pvk.RSA;
 225                                                         break;
 226                                                 case "-l":
 227                                                         // link (URL)
 228                                                         // spcSpAgencyInfo private extension
 229                                                         Console.WriteLine ("Unsupported option");
 230                                                         break;
 231                                                 case "-m":
 232                                                         // validity period (in months)
 233                                                         notAfter = notBefore.AddMonths (Convert.ToInt32 (args [i++]));
 234                                                         break;
 235                                                 case "-nscp":
 236                                                         // Netscape's private extensions - NetscapeCertType
 237                                                         // BasicContraints - End Entity
 238                                                         Console.WriteLine ("Unsupported option");
 239                                                         break;
 240                                                 case "-r":
 241                                                         selfSigned = true;
 242                                                         break;
 243                                                 case "-sc":
 244                                                         // subject certificate ? renew ?
 245                                                         Console.WriteLine ("Unsupported option");
 246                                                         break;
 247                                                 // Issuer CspParameters options
 248                                                 case "-ik":
 249                                                         issuerParams.KeyContainerName = args [i++];
 250                                                         break;
 251                                                 case "-iky":
 252                                                         // select a key in the provider
 253                                                         string ikn = args [i++].ToLower ();
 254                                                         switch (ikn) {
 255                                                                 case "signature":
 256                                                                         issuerParams.KeyNumber = 0;
 257                                                                         break;
 258                                                                 case "exchange":
 259                                                                         issuerParams.KeyNumber = 1;
 260                                                                         break;
 261                                                                 default:
 262                                                                         issuerParams.KeyNumber = Convert.ToInt32 (ikn);
 263                                                                         break;
 264                                                         }
 265                                                         break;
 266                                                 case "-ip":
 267                                                         issuerParams.ProviderName = args [i++];
 268                                                         break;
 269                                                 case "-ir":
 270                                                         switch (args [i++].ToLower ()) {
 271                                                                 case "localmachine":
 272                                                                         issuerParams.Flags = CspProviderFlags.UseMachineKeyStore;
 273                                                                         break;
 274                                                                 case "currentuser":
 275                                                                         issuerParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
 276                                                                         break;
 277                                                                 default:
 278                                                                         Console.WriteLine ("Unknown key store for issuer");
 279                                                                         return -1;
 280                                                         }
 281                                                         break;
 282                                                 case "-is":
 283                                                         Console.WriteLine ("Unsupported option");
 284                                                         return -1;
 285                                                 case "-iy":
 286                                                         issuerParams.ProviderType = Convert.ToInt32 (args [i++]);
 287                                                         break;
 288                                                 // Subject CspParameters Options
 289                                                 case "-sk":
 290                                                         subjectParams.KeyContainerName = args [i++];
 291                                                         break;
 292                                                 case "-sky":
 293                                                         // select a key in the provider
 294                                                         string skn = args [i++].ToLower ();
 295                                                         switch (skn) {
 296                                                                 case "signature":
 297                                                                         subjectParams.KeyNumber = 0;
 298                                                                         break;
 299                                                                 case "exchange":
 300                                                                         subjectParams.KeyNumber = 1;
 301                                                                         break;
 302                                                                 default:
 303                                                                         subjectParams.KeyNumber = Convert.ToInt32 (skn);
 304                                                                         break;
 305                                                         }
 306                                                         break;
 307                                                 case "-sp":
 308                                                         subjectParams.ProviderName = args [i++];
 309                                                         break;
 310                                                 case "-sr":
 311                                                         switch (args [i++].ToLower ()) {
 312                                                                 case "localmachine":
 313                                                                         subjectParams.Flags = CspProviderFlags.UseMachineKeyStore;
 314                                                                         break;
 315                                                                 case "currentuser":
 316                                                                         subjectParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
 317                                                                         break;
 318                                                                 default:
 319                                                                         Console.WriteLine ("Unknown key store for subject");
 320                                                                         return -1;
 321                                                         }
 322                                                         break;
 323                                                 case "-ss":
 324                                                         Console.WriteLine ("Unsupported option");
 325                                                         return -1;
 326                                                 case "-sv":
 327                                                         string pvkFile = args [i++];
 328                                                         if (File.Exists (pvkFile)) {
 329                                                                 PrivateKey key = PrivateKey.CreateFromFile (pvkFile);
 330                                                                 subjectKey = key.RSA;
 331                                                         }
 332                                                         else {
 333                                                                 PrivateKey key = new PrivateKey ();
 334                                                                 key.RSA = subjectKey;
 335                                                                 key.Save (pvkFile);
 336                                                         }
 337                                                         break;
 338                                                 case "-sy":
 339                                                         subjectParams.ProviderType = Convert.ToInt32 (args [i++]);
 340                                                         break;
 341                                                 // Other options
 342                                                 case "-?":
 343                                                         Help ();
 344                                                         return 0;
 345                                                 case "-!":
 346                                                         ExtendedHelp ();
 347                                                         return 0;
 348                                                 default:
 349                                                         if (i != args.Length) {
 350                                                                 Console.WriteLine ("ERROR: Unknown parameter");
 351                                                                 Help ();
 352                                                                 return -1;
 353                                                         }
 354                                                         break;
 355                                         }
 356                                 }
 357
 358                                 // serial number MUST be positive
 359                                 if ((sn [0] & 0x80) == 0x80)
 360                                         sn [0] -= 0x80;
 361
 362                                 if (selfSigned) {
 363                                         if (subject != defaultSubject) {
 364                                                 issuer = subject;
 365                                                 issuerKey = subjectKey;
 366                                         }
 367                                         else {
 368                                                 subject = issuer;
 369                                                 subjectKey = issuerKey;
 370                                         }
 371                                 }
 372
 373                                 if (subject == null)
 374                                         throw new Exception ("Missing Subject Name");
 375
 376                                 X509CertificateBuilder cb = new X509CertificateBuilder (3);
 377                                 cb.SerialNumber = sn;
 378                                 cb.IssuerName = issuer;
 379                                 cb.NotBefore = notBefore;
 380                                 cb.NotAfter = notAfter;
 381                                 cb.SubjectName = subject;
 382                                 cb.SubjectPublicKey = subjectKey;
 383                                 // extensions
 384                                 if (bce != null)
 385                                         cb.Extensions.Add (bce);
 386                                 if (eku != null)
 387                                         cb.Extensions.Add (eku);
 388                                 // signature
 389                                 cb.Hash = hashName;
 390                                 byte[] rawcert = cb.Sign (issuerKey);
 391                                 WriteCertificate (fileName, rawcert);
 392                                 Console.WriteLine ("Success");
 393                                 return 0;
 394                         }
 395                         catch (Exception e) {
 396                                 Console.WriteLine ("ERROR: " + e.ToString ());
 397                                 Help ();
 398                         }
 399                         return 1;
 400                 }
 401         }
 402 }