util-testing/org/cacert/gigi/util/SimpleSigner.java

   1 package org.cacert.gigi.util;
   2
   3 import java.io.ByteArrayInputStream;
   4 import java.io.File;
   5 import java.io.FileInputStream;
   6 import java.io.FileNotFoundException;
   7 import java.io.FileOutputStream;
   8 import java.io.IOException;
   9 import java.io.InputStream;
  10 import java.io.InputStreamReader;
  11 import java.io.PrintWriter;
  12 import java.io.Reader;
  13 import java.math.BigInteger;
  14 import java.nio.file.Paths;
  15 import java.security.GeneralSecurityException;
  16 import java.security.KeyFactory;
  17 import java.security.KeyPair;
  18 import java.security.KeyPairGenerator;
  19 import java.security.NoSuchAlgorithmException;
  20 import java.security.PrivateKey;
  21 import java.security.PublicKey;
  22 import java.security.Signature;
  23 import java.security.cert.CertificateFactory;
  24 import java.security.cert.X509Certificate;
  25 import java.security.spec.InvalidKeySpecException;
  26 import java.security.spec.PKCS8EncodedKeySpec;
  27 import java.sql.SQLException;
  28 import java.sql.Timestamp;
  29 import java.text.ParseException;
  30 import java.text.SimpleDateFormat;
  31 import java.util.Arrays;
  32 import java.util.Base64;
  33 import java.util.Calendar;
  34 import java.util.Date;
  35 import java.util.HashMap;
  36 import java.util.LinkedList;
  37 import java.util.List;
  38 import java.util.Map;
  39 import java.util.Map.Entry;
  40 import java.util.Properties;
  41 import java.util.TimeZone;
  42
  43 import javax.security.auth.x500.X500Principal;
  44
  45 import org.cacert.gigi.crypto.SPKAC;
  46 import org.cacert.gigi.database.DatabaseConnection;
  47 import org.cacert.gigi.database.GigiPreparedStatement;
  48 import org.cacert.gigi.database.GigiResultSet;
  49 import org.cacert.gigi.dbObjects.Certificate;
  50 import org.cacert.gigi.dbObjects.Certificate.CSRType;
  51 import org.cacert.gigi.dbObjects.Certificate.SANType;
  52 import org.cacert.gigi.dbObjects.Certificate.SubjectAlternateName;
  53 import org.cacert.gigi.dbObjects.CertificateProfile;
  54 import org.cacert.gigi.dbObjects.Digest;
  55 import org.cacert.gigi.output.DateSelector;
  56
  57 import sun.security.pkcs10.PKCS10;
  58 import sun.security.util.DerOutputStream;
  59 import sun.security.util.DerValue;
  60 import sun.security.util.ObjectIdentifier;
  61 import sun.security.x509.AVA;
  62 import sun.security.x509.AlgorithmId;
  63 import sun.security.x509.GeneralNameInterface;
  64 import sun.security.x509.RDN;
  65 import sun.security.x509.X500Name;
  66
  67 public class SimpleSigner {
  68
  69     private static GigiPreparedStatement warnMail;
  70
  71     private static GigiPreparedStatement updateMail;
  72
  73     private static GigiPreparedStatement readyCerts;
  74
  75     private static GigiPreparedStatement getSANSs;
  76
  77     private static GigiPreparedStatement revoke;
  78
  79     private static GigiPreparedStatement revokeCompleted;
  80
  81     private static GigiPreparedStatement finishJob;
  82
  83     private static volatile boolean running = true;
  84
  85     private static Thread runner;
  86
  87     private static SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss'Z'");
  88
  89     static {
  90         TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
  91         sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
  92     }
  93
  94     public static void main(String[] args) throws IOException, SQLException, InterruptedException {
  95         if (false) {
  96             try {
  97                 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
  98                 kpg.initialize(2048);
  99                 KeyPair kp = kpg.generateKeyPair();
 100                 X500Principal xp = new X500Principal(genX500Name(Certificate.buildDN("CN", "uiae")).getEncoded());
 101                 byte[] i = generateCert(kp.getPublic(), kp.getPrivate(), Certificate.buildDN("CN", "uiae"), xp, Arrays.<SubjectAlternateName>asList(), new Date(), new Date(System.currentTimeMillis() + 1000 * 60 * 60), Digest.SHA512, "clientAuth");
 102                 System.out.println(Base64.getMimeEncoder().encodeToString(i));
 103             } catch (GeneralSecurityException e) {
 104                 e.printStackTrace();
 105             }
 106             return;
 107         }
 108         Properties p = new Properties();
 109         try (Reader reader = new InputStreamReader(new FileInputStream("config/gigi.properties"), "UTF-8")) {
 110             p.load(reader);
 111         }
 112         DatabaseConnection.init(p);
 113
 114         runSigner();
 115     }
 116
 117     public static void stopSigner() throws InterruptedException {
 118         Thread capturedRunner;
 119         synchronized (SimpleSigner.class) {
 120             if (runner == null) {
 121                 throw new IllegalStateException("already stopped");
 122             }
 123             capturedRunner = runner;
 124             running = false;
 125             SimpleSigner.class.notifyAll();
 126         }
 127         capturedRunner.join();
 128     }
 129
 130     public synchronized static void runSigner() throws SQLException, IOException, InterruptedException {
 131         if (runner != null) {
 132             throw new IllegalStateException("already running");
 133         }
 134         running = true;
 135         readyCerts = DatabaseConnection.getInstance().prepare("SELECT certs.id AS id, certs.csr_name, jobs.id AS jobid, csr_type, md, executeFrom, executeTo, profile FROM jobs " + //
 136                 "INNER JOIN certs ON certs.id=jobs.targetId " + //
 137                 "INNER JOIN profiles ON profiles.id=certs.profile " + //
 138                 "WHERE jobs.state='open' "//
 139                 + "AND task='sign'");
 140
 141         getSANSs = DatabaseConnection.getInstance().prepare("SELECT contents, type FROM subjectAlternativeNames " + //
 142                 "WHERE certId=?");
 143
 144         updateMail = DatabaseConnection.getInstance().prepare("UPDATE certs SET crt_name=?," + " created=NOW(), serial=?, caid=1 WHERE id=?");
 145         warnMail = DatabaseConnection.getInstance().prepare("UPDATE jobs SET warning=warning+1, state=IF(warning<3, 'open','error') WHERE id=?");
 146
 147         revoke = DatabaseConnection.getInstance().prepare("SELECT certs.id, certs.csr_name,jobs.id FROM jobs INNER JOIN certs ON jobs.targetId=certs.id" + " WHERE jobs.state='open' AND task='revoke'");
 148         revokeCompleted = DatabaseConnection.getInstance().prepare("UPDATE certs SET revoked=NOW() WHERE id=?");
 149
 150         finishJob = DatabaseConnection.getInstance().prepare("UPDATE jobs SET state='done' WHERE id=?");
 151
 152         runner = new Thread() {
 153
 154             @Override
 155             public void run() {
 156                 work();
 157             }
 158
 159         };
 160         runner.start();
 161     }
 162
 163     private synchronized static void work() {
 164         try {
 165             gencrl();
 166         } catch (IOException e2) {
 167             e2.printStackTrace();
 168         } catch (InterruptedException e2) {
 169             e2.printStackTrace();
 170         }
 171
 172         while (running) {
 173             try {
 174                 signCertificates();
 175                 revokeCertificates();
 176
 177                 SimpleSigner.class.wait(5000);
 178             } catch (IOException e) {
 179                 e.printStackTrace();
 180             } catch (SQLException e) {
 181                 e.printStackTrace();
 182             } catch (InterruptedException e1) {
 183             }
 184         }
 185         runner = null;
 186     }
 187
 188     private static void revokeCertificates() throws SQLException, IOException, InterruptedException {
 189         GigiResultSet rs = revoke.executeQuery();
 190         boolean worked = false;
 191         while (rs.next()) {
 192             int id = rs.getInt(1);
 193             File crt = KeyStorage.locateCrt(id);
 194             worked = true;
 195             revokeCompleted.setInt(1, id);
 196             revokeCompleted.execute();
 197             finishJob.setInt(1, rs.getInt(3));
 198             finishJob.execute();
 199         }
 200         if (worked) {
 201             gencrl();
 202         }
 203     }
 204
 205     private static void gencrl() throws IOException, InterruptedException {
 206         if (true) {
 207             return;
 208         }
 209         String[] call = new String[] {
 210                 "openssl", "ca",//
 211                 "-cert",
 212                 "../unassured.crt",//
 213                 "-keyfile",
 214                 "../unassured.key",//
 215                 "-gencrl",//
 216                 "-crlhours",//
 217                 "12",//
 218                 "-out",
 219                 "../unassured.crl",//
 220                 "-config",
 221                 "../selfsign.config"
 222
 223         };
 224         Process p1 = Runtime.getRuntime().exec(call, null, new File("keys/unassured.ca"));
 225         if (p1.waitFor() != 0) {
 226             System.out.println("Error while generating crl.");
 227         }
 228     }
 229
 230     private static int counter = 0;
 231
 232     private static void signCertificates() throws SQLException {
 233         GigiResultSet rs = readyCerts.executeQuery();
 234
 235         Calendar c = Calendar.getInstance();
 236         c.setTimeZone(TimeZone.getTimeZone("UTC"));
 237         while (rs.next()) {
 238             String csrname = rs.getString("csr_name");
 239             int id = rs.getInt("id");
 240             System.out.println("sign: " + csrname);
 241             try {
 242                 String csrType = rs.getString("csr_type");
 243                 CSRType ct = CSRType.valueOf(csrType);
 244                 File crt = KeyStorage.locateCrt(id);
 245
 246                 Timestamp from = rs.getTimestamp("executeFrom");
 247                 String length = rs.getString("executeTo");
 248                 Date fromDate;
 249                 Date toDate;
 250                 if (from == null) {
 251                     fromDate = new Date(System.currentTimeMillis());
 252                 } else {
 253                     fromDate = new Date(from.getTime());
 254                 }
 255                 if (length.endsWith("m") || length.endsWith("y")) {
 256                     String num = length.substring(0, length.length() - 1);
 257                     int inter = Integer.parseInt(num);
 258                     c.setTime(fromDate);
 259                     if (length.endsWith("m")) {
 260                         c.add(Calendar.MONTH, inter);
 261                     } else {
 262                         c.add(Calendar.YEAR, inter);
 263                     }
 264                     toDate = c.getTime();
 265                 } else {
 266                     toDate = DateSelector.getDateFormat().parse(length);
 267                 }
 268
 269                 getSANSs.setInt(1, id);
 270                 GigiResultSet san = getSANSs.executeQuery();
 271
 272                 boolean first = true;
 273                 LinkedList<SubjectAlternateName> altnames = new LinkedList<>();
 274                 while (san.next()) {
 275                     first = false;
 276                     altnames.add(new SubjectAlternateName(SANType.valueOf(san.getString("type").toUpperCase()), san.getString("contents")));
 277                 }
 278                 // TODO look them up!
 279                 // cfg.println("keyUsage=critical," +
 280                 // "digitalSignature, keyEncipherment, keyAgreement");
 281                 // cfg.println("extendedKeyUsage=critical," + "clientAuth");
 282                 // cfg.close();
 283
 284                 int profile = rs.getInt("profile");
 285                 CertificateProfile cp = CertificateProfile.getById(profile);
 286                 String s = cp.getId() + "";
 287                 while (s.length() < 4) {
 288                     s = "0" + s;
 289                 }
 290                 s += "-" + cp.getKeyName() + ".cfg";
 291                 Properties caP = new Properties();
 292                 caP.load(new FileInputStream("signer/profiles/" + s));
 293                 String ca = caP.getProperty("ca") + "_2015_1";
 294
 295                 HashMap<String, String> subj = new HashMap<>();
 296                 GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT name, value FROM certAvas WHERE certId=?");
 297                 ps.setInt(1, rs.getInt("id"));
 298                 GigiResultSet rs2 = ps.executeQuery();
 299                 while (rs2.next()) {
 300                     String name = rs2.getString("name");
 301                     if (name.equals("EMAIL")) {
 302                         name = "emailAddress";
 303                     }
 304                     subj.put(name, rs2.getString("value"));
 305                 }
 306                 if (subj.size() == 0) {
 307                     subj.put("CN", "<empty>");
 308                     System.out.println("WARNING: DN was empty");
 309                 }
 310                 System.out.println(subj);
 311
 312                 PublicKey pk;
 313                 byte[] data = IOUtils.readURL(new FileInputStream(csrname));
 314                 if (ct == CSRType.SPKAC) {
 315                     SPKAC sp = new SPKAC(data);
 316                     pk = sp.getPubkey();
 317                 } else {
 318                     PKCS10 p10 = new PKCS10(PEM.decode("(NEW )?CERTIFICATE REQUEST", new String(data)));
 319                     pk = p10.getSubjectPublicKeyInfo();
 320                 }
 321                 PrivateKey i = loadOpensslKey(new File("signer/ca/" + ca + "/ca.key"));
 322
 323                 String[] call;
 324                 X509Certificate root = (X509Certificate) CertificateFactory.getInstance("X509").generateCertificate(new FileInputStream("signer/ca/" + ca + "/ca.crt"));
 325                 byte[] cert = generateCert(pk, i, subj, root.getSubjectX500Principal(), altnames, fromDate, toDate, Digest.valueOf(rs.getString("md").toUpperCase()), caP.getProperty("eku"));
 326                 PrintWriter out = new PrintWriter(crt);
 327                 out.println("-----BEGIN CERTIFICATE-----");
 328                 out.println(Base64.getMimeEncoder().encodeToString(cert));
 329                 out.println("-----END CERTIFICATE-----");
 330                 out.close();
 331                 synchronized (sdf) {
 332                     /*
 333                      * call = new String[] { "openssl", "ca",// "-in", "../../"
 334                      * + csrname,// "-cert", "../" + ca + ".crt",// "-keyfile",
 335                      * "../" + ca + ".key",// "-out", "../../" +
 336                      * crt.getPath(),// "-utf8", "-startdate",
 337                      * sdf.format(fromDate),// "-enddate", sdf.format(toDate),//
 338                      * "-batch",// "-md", rs.getString("md"),// "-extfile",
 339                      * "../" + f.getName(),// "-subj",
 340                      * Certificate.stringifyDN(subj),// "-config",
 341                      * "../selfsign.config"// };
 342                      */
 343                 }
 344
 345                 try (InputStream is = new FileInputStream(crt)) {
 346                     CertificateFactory cf = CertificateFactory.getInstance("X.509");
 347                     X509Certificate crtp = (X509Certificate) cf.generateCertificate(is);
 348                     BigInteger serial = crtp.getSerialNumber();
 349                     updateMail.setString(1, crt.getPath());
 350                     updateMail.setString(2, serial.toString(16));
 351                     updateMail.setInt(3, id);
 352                     updateMail.execute();
 353
 354                     finishJob.setInt(1, rs.getInt("jobid"));
 355                     finishJob.execute();
 356                     System.out.println("signed: " + id);
 357                     continue;
 358                 }
 359
 360             } catch (GeneralSecurityException e) {
 361                 e.printStackTrace();
 362             } catch (IOException e) {
 363                 e.printStackTrace();
 364             } catch (ParseException e) {
 365                 e.printStackTrace();
 366             }
 367             System.out.println("Error with: " + id);
 368             warnMail.setInt(1, rs.getInt("jobid"));
 369             warnMail.execute();
 370
 371         }
 372         rs.close();
 373     }
 374
 375     private static PrivateKey loadOpensslKey(File f) throws FileNotFoundException, IOException, InvalidKeySpecException, NoSuchAlgorithmException {
 376         byte[] p8b = PEM.decode("RSA PRIVATE KEY", new String(IOUtils.readURL(new FileInputStream(f))));
 377         DerOutputStream dos = new DerOutputStream();
 378         dos.putInteger(0);
 379         new AlgorithmId(new ObjectIdentifier(new int[] {
 380                 1, 2, 840, 113549, 1, 1, 1
 381         })).encode(dos);
 382         dos.putOctetString(p8b);
 383         byte[] ctx = dos.toByteArray();
 384         dos.reset();
 385         dos.write(DerValue.tag_Sequence, ctx);
 386         PKCS8EncodedKeySpec p8 = new PKCS8EncodedKeySpec(dos.toByteArray());
 387         PrivateKey i = KeyFactory.getInstance("RSA").generatePrivate(p8);
 388         return i;
 389     }
 390
 391     private static synchronized byte[] generateCert(PublicKey pk, PrivateKey prk, Map<String, String> subj, X500Principal issuer, List<SubjectAlternateName> altnames, Date fromDate, Date toDate, Digest digest, String eku) throws IOException, GeneralSecurityException {
 392         File f = Paths.get("signer", "serial").toFile();
 393         if ( !f.exists()) {
 394             FileOutputStream fos = new FileOutputStream(f);
 395             fos.write("1".getBytes());
 396             fos.close();
 397         }
 398         try (FileInputStream fr = new FileInputStream(f)) {
 399             byte[] serial = IOUtils.readURL(fr);
 400             BigInteger ser = new BigInteger(new String(serial).trim());
 401             ser = ser.add(BigInteger.ONE);
 402
 403             PrintWriter pw = new PrintWriter(f);
 404             pw.println(ser);
 405             pw.close();
 406             if (digest != Digest.SHA256 && digest != Digest.SHA512) {
 407                 System.err.println("assuming sha256 either way ;-): " + digest);
 408                 digest = Digest.SHA256;
 409             }
 410             ObjectIdentifier sha512withrsa = new ObjectIdentifier(new int[] {
 411                     1, 2, 840, 113549, 1, 1, digest == Digest.SHA256 ? 11 : 13
 412             });
 413             AlgorithmId aid = new AlgorithmId(sha512withrsa);
 414             Signature s = Signature.getInstance(digest == Digest.SHA256 ? "SHA256withRSA" : "SHA512withRSA");
 415
 416             DerOutputStream cert = new DerOutputStream();
 417             DerOutputStream content = new DerOutputStream();
 418             {
 419                 DerOutputStream version = new DerOutputStream();
 420                 version.putInteger(2); // v3
 421                 content.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0), version);
 422             }
 423             content.putInteger(ser); // Serial
 424             aid.encode(content);
 425
 426             {
 427                 content.write(issuer.getEncoded());
 428             }
 429             {
 430                 DerOutputStream notAround = new DerOutputStream();
 431                 notAround.putUTCTime(fromDate);
 432                 notAround.putUTCTime(toDate);
 433                 content.write(DerValue.tag_Sequence, notAround);
 434             }
 435             {
 436
 437                 X500Name xn = genX500Name(subj);
 438                 content.write(xn.getEncoded());
 439             }
 440             {
 441                 content.write(pk.getEncoded());
 442             }
 443             {
 444                 DerOutputStream extensions = new DerOutputStream();
 445                 {
 446                     addExtension(extensions, new ObjectIdentifier(new int[] {
 447                             2, 5, 29, 17
 448                     }), generateSAN(altnames));
 449                     addExtension(extensions, new ObjectIdentifier(new int[] {
 450                             2, 5, 29, 15
 451                     }), generateKU());
 452                     addExtension(extensions, new ObjectIdentifier(new int[] {
 453                             2, 5, 29, 37
 454                     }), generateEKU(eku));
 455                 }
 456                 DerOutputStream extensionsSeq = new DerOutputStream();
 457                 extensionsSeq.write(DerValue.tag_Sequence, extensions);
 458                 content.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 3), extensionsSeq);
 459             }
 460
 461             DerOutputStream contentSeq = new DerOutputStream();
 462
 463             contentSeq.write(DerValue.tag_Sequence, content.toByteArray());
 464
 465             s.initSign(prk);
 466             s.update(contentSeq.toByteArray());
 467
 468             aid.encode(contentSeq);
 469             contentSeq.putBitString(s.sign());
 470             cert.write(DerValue.tag_Sequence, contentSeq);
 471
 472             X509Certificate c = (X509Certificate) CertificateFactory.getInstance("X509").generateCertificate(new ByteArrayInputStream(cert.toByteArray()));
 473             // c.verify(pk); only for self-signeds
 474
 475             return cert.toByteArray();
 476         }
 477
 478     }
 479
 480     private static byte[] generateKU() throws IOException {
 481         DerOutputStream dos = new DerOutputStream();
 482         dos.putBitString(new byte[] {
 483             (byte) 0b10101000
 484         });
 485         return dos.toByteArray();
 486     }
 487
 488     private static byte[] generateEKU(String eku) throws IOException {
 489
 490         DerOutputStream dos = new DerOutputStream();
 491         for (String name : eku.split(",")) {
 492             ObjectIdentifier oid;
 493             switch (name) {
 494             case "serverAuth":
 495                 oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.1");
 496                 break;
 497             case "clientAuth":
 498                 oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.2");
 499                 break;
 500             case "codeSigning":
 501                 oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.3");
 502                 break;
 503             case "emailProtection":
 504                 oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.4");
 505                 break;
 506
 507             default:
 508                 throw new Error(name);
 509             }
 510             dos.putOID(oid);
 511         }
 512         byte[] data = dos.toByteArray();
 513         dos.reset();
 514         dos.write(DerValue.tag_Sequence, data);
 515         return dos.toByteArray();
 516     }
 517
 518     private static X500Name genX500Name(Map<String, String> subj) throws IOException {
 519         LinkedList<RDN> rdns = new LinkedList<>();
 520         for (Entry<String, String> i : subj.entrySet()) {
 521             RDN rdn = genRDN(i);
 522             rdns.add(rdn);
 523         }
 524         return new X500Name(rdns.toArray(new RDN[rdns.size()]));
 525     }
 526
 527     private static RDN genRDN(Entry<String, String> i) throws IOException {
 528         DerOutputStream dos = new DerOutputStream();
 529         dos.putUTF8String(i.getValue());
 530         int[] oid;
 531         String key = i.getKey();
 532         switch (key) {
 533         case "CN":
 534             oid = new int[] {
 535                     2, 5, 4, 3
 536             };
 537             break;
 538         case "EMAIL":
 539         case "emailAddress":
 540             oid = new int[] {
 541                     1, 2, 840, 113549, 1, 9, 1
 542             };
 543             break;
 544         case "O":
 545             oid = new int[] {
 546                     2, 5, 4, 10
 547             };
 548             break;
 549         case "OU":
 550             oid = new int[] {
 551                     2, 5, 4, 11
 552             };
 553             break;
 554         default:
 555             throw new Error("unknown RDN-type: " + key);
 556         }
 557         RDN rdn = new RDN(new AVA(new ObjectIdentifier(oid), new DerValue(dos.toByteArray())));
 558         return rdn;
 559     }
 560
 561     private static void addExtension(DerOutputStream extensions, ObjectIdentifier oid, byte[] extContent) throws IOException {
 562         DerOutputStream SANs = new DerOutputStream();
 563         SANs.putOID(oid);
 564         SANs.putOctetString(extContent);
 565
 566         extensions.write(DerValue.tag_Sequence, SANs);
 567     }
 568
 569     private static byte[] generateSAN(List<SubjectAlternateName> altnames) throws IOException {
 570         DerOutputStream SANContent = new DerOutputStream();
 571         for (SubjectAlternateName san : altnames) {
 572             byte type = 0;
 573             if (san.getType() == SANType.DNS) {
 574                 type = (byte) GeneralNameInterface.NAME_DNS;
 575             } else if (san.getType() == SANType.EMAIL) {
 576                 type = (byte) GeneralNameInterface.NAME_RFC822;
 577             } else {
 578                 throw new Error("" + san.getType());
 579             }
 580             SANContent.write(DerValue.createTag(DerValue.TAG_CONTEXT, false, type), san.getName().getBytes());
 581         }
 582         DerOutputStream SANSeqContent = new DerOutputStream();
 583         SANSeqContent.write(DerValue.tag_Sequence, SANContent);
 584         byte[] byteArray = SANSeqContent.toByteArray();
 585         return byteArray;
 586     }
 587 }