upd: rename package name and all references to it
[gigi.git] / util-testing / club / wpia / gigi / util / SimpleSigner.java
1 package club.wpia.gigi.util;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileNotFoundException;
6 import java.io.FileOutputStream;
7 import java.io.IOException;
8 import java.io.InputStream;
9 import java.io.InputStreamReader;
10 import java.io.PrintWriter;
11 import java.io.Reader;
12 import java.math.BigInteger;
13 import java.nio.file.Paths;
14 import java.security.GeneralSecurityException;
15 import java.security.KeyFactory;
16 import java.security.NoSuchAlgorithmException;
17 import java.security.PrivateKey;
18 import java.security.PublicKey;
19 import java.security.Signature;
20 import java.security.cert.CertificateFactory;
21 import java.security.cert.X509Certificate;
22 import java.security.spec.InvalidKeySpecException;
23 import java.security.spec.PKCS8EncodedKeySpec;
24 import java.sql.SQLException;
25 import java.sql.Timestamp;
26 import java.text.ParseException;
27 import java.text.SimpleDateFormat;
28 import java.util.Base64;
29 import java.util.Calendar;
30 import java.util.Date;
31 import java.util.GregorianCalendar;
32 import java.util.HashMap;
33 import java.util.LinkedList;
34 import java.util.List;
35 import java.util.Map;
36 import java.util.Map.Entry;
37 import java.util.Properties;
38 import java.util.TimeZone;
39
40 import javax.security.auth.x500.X500Principal;
41
42 import club.wpia.gigi.crypto.SPKAC;
43 import club.wpia.gigi.database.DatabaseConnection;
44 import club.wpia.gigi.database.GigiPreparedStatement;
45 import club.wpia.gigi.database.GigiResultSet;
46 import club.wpia.gigi.database.DatabaseConnection.Link;
47 import club.wpia.gigi.dbObjects.CertificateProfile;
48 import club.wpia.gigi.dbObjects.Digest;
49 import club.wpia.gigi.dbObjects.Certificate.CSRType;
50 import club.wpia.gigi.dbObjects.Certificate.SANType;
51 import club.wpia.gigi.dbObjects.Certificate.SubjectAlternateName;
52 import club.wpia.gigi.output.DateSelector;
53 import club.wpia.gigi.util.KeyStorage;
54 import club.wpia.gigi.util.PEM;
55 import sun.security.pkcs10.PKCS10;
56 import sun.security.util.DerOutputStream;
57 import sun.security.util.DerValue;
58 import sun.security.util.ObjectIdentifier;
59 import sun.security.x509.AVA;
60 import sun.security.x509.AlgorithmId;
61 import sun.security.x509.GeneralNameInterface;
62 import sun.security.x509.RDN;
63 import sun.security.x509.X500Name;
64
65 public class SimpleSigner {
66
67     private static GigiPreparedStatement warnMail;
68
69     private static GigiPreparedStatement updateMail;
70
71     private static GigiPreparedStatement readyCerts;
72
73     private static GigiPreparedStatement getSANSs;
74
75     private static GigiPreparedStatement revoke;
76
77     private static GigiPreparedStatement revokeCompleted;
78
79     private static GigiPreparedStatement finishJob;
80
81     private static GigiPreparedStatement locateCA;
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         Properties p = new Properties();
96         try (Reader reader = new InputStreamReader(new FileInputStream("config/gigi.properties"), "UTF-8")) {
97             p.load(reader);
98         }
99         DatabaseConnection.init(p);
100
101         runSigner();
102     }
103
104     public static void stopSigner() throws InterruptedException {
105         Thread capturedRunner;
106         synchronized (SimpleSigner.class) {
107             if (runner == null) {
108                 throw new IllegalStateException("already stopped");
109             }
110             capturedRunner = runner;
111             running = false;
112             SimpleSigner.class.notifyAll();
113         }
114         capturedRunner.join();
115     }
116
117     public synchronized static void runSigner() throws SQLException, IOException, InterruptedException {
118         if (runner != null) {
119             throw new IllegalStateException("already running");
120         }
121         running = true;
122
123         runner = new Thread() {
124
125             @Override
126             public void run() {
127                 try (Link l = DatabaseConnection.newLink(false)) {
128                     readyCerts = new GigiPreparedStatement("SELECT certs.id AS id, certs.csr_name, jobs.id AS jobid, csr_type, md, `executeFrom`, `executeTo`, profile FROM jobs " + //
129                             "INNER JOIN certs ON certs.id=jobs.`targetId` " + //
130                             "INNER JOIN profiles ON profiles.id=certs.profile " + //
131                             "WHERE jobs.state='open' " + //
132                             "AND task='sign'");
133
134                     getSANSs = new GigiPreparedStatement("SELECT contents, type FROM `subjectAlternativeNames` " + //
135                             "WHERE `certId`=?");
136
137                     updateMail = new GigiPreparedStatement("UPDATE certs SET crt_name=?," + " created=NOW(), serial=?, caid=? WHERE id=?");
138                     warnMail = new GigiPreparedStatement("UPDATE jobs SET warning=warning+1, state=CASE WHEN warning<3 THEN 'open'::`jobState` ELSE 'error'::`jobState` END WHERE id=?");
139
140                     revoke = new GigiPreparedStatement("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'");
141                     revokeCompleted = new GigiPreparedStatement("UPDATE certs SET revoked=NOW() WHERE id=?");
142
143                     finishJob = new GigiPreparedStatement("UPDATE jobs SET state='done' WHERE id=?");
144
145                     locateCA = new GigiPreparedStatement("SELECT id FROM cacerts WHERE keyname=?");
146
147                     work();
148                 } catch (InterruptedException e) {
149                     throw new Error(e);
150                 }
151             }
152
153         };
154         runner.start();
155     }
156
157     public static void ping() {
158         synchronized (SimpleSigner.class) {
159             SimpleSigner.class.notifyAll();
160             try {
161                 SimpleSigner.class.wait(2000);
162             } catch (InterruptedException e) {
163                 e.printStackTrace();
164             }
165         }
166     }
167
168     private synchronized static void work() {
169         try {
170             gencrl();
171         } catch (IOException e2) {
172             e2.printStackTrace();
173         } catch (InterruptedException e2) {
174             e2.printStackTrace();
175         }
176
177         while (running) {
178             try {
179                 signCertificates();
180                 revokeCertificates();
181
182                 SimpleSigner.class.notifyAll();
183                 SimpleSigner.class.wait(5000);
184             } catch (IOException e) {
185                 e.printStackTrace();
186             } catch (SQLException e) {
187                 e.printStackTrace();
188             } catch (InterruptedException e1) {
189             }
190         }
191         runner = null;
192     }
193
194     private static void revokeCertificates() throws SQLException, IOException, InterruptedException {
195         GigiResultSet rs = revoke.executeQuery();
196         boolean worked = false;
197         while (rs.next()) {
198             int id = rs.getInt(1);
199             worked = true;
200             System.out.println("Revoke faked: " + id);
201             revokeCompleted.setInt(1, id);
202             revokeCompleted.execute();
203             finishJob.setInt(1, rs.getInt(3));
204             finishJob.execute();
205         }
206         if (worked) {
207             gencrl();
208         }
209     }
210
211     private static void gencrl() throws IOException, InterruptedException {
212         if (true) {
213             return;
214         }
215         String[] call = new String[] {
216                 "openssl",
217                 "ca",//
218                 "-cert",
219                 "../unassured.crt",//
220                 "-keyfile",
221                 "../unassured.key",//
222                 "-gencrl",//
223                 "-crlhours",//
224                 "12",//
225                 "-out",
226                 "../unassured.crl",//
227                 "-config",
228                 "../selfsign.config"
229
230         };
231         Process p1 = Runtime.getRuntime().exec(call, null, new File("keys/unassured.ca"));
232         if (p1.waitFor() != 0) {
233             System.out.println("Error while generating crl.");
234         }
235     }
236
237     private static void signCertificates() throws SQLException {
238         GigiResultSet rs = readyCerts.executeQuery();
239
240         Calendar c = Calendar.getInstance();
241         c.setTimeZone(TimeZone.getTimeZone("UTC"));
242         while (rs.next()) {
243             String csrname = rs.getString("csr_name");
244             int id = rs.getInt("id");
245             System.out.println("sign: " + csrname);
246             try {
247                 String csrType = rs.getString("csr_type");
248                 CSRType ct = CSRType.valueOf(csrType);
249                 File crt = KeyStorage.locateCrt(id);
250
251                 Timestamp from = rs.getTimestamp("executeFrom");
252                 String length = rs.getString("executeTo");
253                 Date fromDate;
254                 Date toDate;
255                 if (from == null) {
256                     fromDate = new Date(System.currentTimeMillis());
257                 } else {
258                     fromDate = new Date(from.getTime());
259                 }
260                 if (length.endsWith("m") || length.endsWith("y")) {
261                     String num = length.substring(0, length.length() - 1);
262                     int inter = Integer.parseInt(num);
263                     c.setTime(fromDate);
264                     if (length.endsWith("m")) {
265                         c.add(Calendar.MONTH, inter);
266                     } else {
267                         c.add(Calendar.YEAR, inter);
268                     }
269                     toDate = c.getTime();
270                 } else {
271                     toDate = DateSelector.getDateFormat().parse(length);
272                 }
273
274                 getSANSs.setInt(1, id);
275                 GigiResultSet san = getSANSs.executeQuery();
276
277                 LinkedList<SubjectAlternateName> altnames = new LinkedList<>();
278                 while (san.next()) {
279                     altnames.add(new SubjectAlternateName(SANType.valueOf(san.getString("type").toUpperCase()), san.getString("contents")));
280                 }
281                 // TODO look them up!
282                 // cfg.println("keyUsage=critical," +
283                 // "digitalSignature, keyEncipherment, keyAgreement");
284                 // cfg.println("extendedKeyUsage=critical," + "clientAuth");
285                 // cfg.close();
286
287                 int profile = rs.getInt("profile");
288                 CertificateProfile cp = CertificateProfile.getById(profile);
289                 String s = cp.getId() + "";
290                 while (s.length() < 4) {
291                     s = "0" + s;
292                 }
293                 s += "-" + cp.getKeyName() + ".cfg";
294                 Properties caP = new Properties();
295                 try (FileInputStream inStream = new FileInputStream("signer/profiles/" + s)) {
296                     caP.load(inStream);
297                 }
298
299                 HashMap<String, String> subj = new HashMap<>();
300                 try (GigiPreparedStatement ps = new GigiPreparedStatement("SELECT name, value FROM `certAvas` WHERE `certId`=?")) {
301                     ps.setInt(1, rs.getInt("id"));
302                     GigiResultSet rs2 = ps.executeQuery();
303                     while (rs2.next()) {
304                         String name = rs2.getString("name");
305                         if (name.equals("EMAIL")) {
306                             name = "emailAddress";
307                         }
308                         subj.put(name, rs2.getString("value"));
309                     }
310                 }
311                 if (subj.size() == 0) {
312                     subj.put("CN", "<empty>");
313                     System.out.println("WARNING: DN was empty");
314                 }
315                 System.out.println(subj);
316
317                 PublicKey pk;
318                 byte[] data = IOUtils.readURL(new FileInputStream(csrname));
319                 if (ct == CSRType.SPKAC) {
320                     String dt = new String(data, "UTF-8");
321                     if (dt.startsWith("SPKAC=")) {
322                         dt = dt.substring(6);
323                         data = dt.getBytes("UTF-8");
324                         System.out.println(dt);
325                     }
326                     SPKAC sp = new SPKAC(Base64.getDecoder().decode(data));
327                     pk = sp.getPubkey();
328                 } else {
329                     PKCS10 p10 = new PKCS10(PEM.decode("(NEW )?CERTIFICATE REQUEST", new String(data, "UTF-8")));
330                     pk = p10.getSubjectPublicKeyInfo();
331                 }
332                 Calendar cal = GregorianCalendar.getInstance();
333                 String ca = caP.getProperty("ca") + "_" + cal.get(Calendar.YEAR) + (cal.get(Calendar.MONTH) >= 6 ? "_2" : "_1");
334                 File parent = new File("signer/ca");
335                 File[] caFiles = parent.listFiles();
336                 if (null == caFiles) {
337                     caFiles = new File[0];
338                 }
339                 if ( !new File(parent, ca).exists()) {
340                     System.out.println("CA " + ca + " not found. Searching for anything other remotely fitting.");
341                     for (File f : caFiles) {
342                         if (f.getName().startsWith(caP.getProperty("ca"))) {
343                             ca = f.getName();
344                             break;
345                         }
346                     }
347                 }
348                 File caKey = new File(parent, ca + "/ca.key");
349                 PrivateKey i = loadOpensslKey(caKey);
350
351                 X509Certificate root = (X509Certificate) CertificateFactory.getInstance("X509").generateCertificate(new FileInputStream("signer/ca/" + ca + "/ca.crt"));
352                 byte[] cert = generateCert(pk, i, subj, root.getSubjectX500Principal(), altnames, fromDate, toDate, Digest.valueOf(rs.getString("md").toUpperCase()), caP.getProperty("eku"));
353                 PrintWriter out = new PrintWriter(crt);
354                 out.println("-----BEGIN CERTIFICATE-----");
355                 out.println(Base64.getMimeEncoder().encodeToString(cert));
356                 out.println("-----END CERTIFICATE-----");
357                 out.close();
358
359                 try (InputStream is = new FileInputStream(crt)) {
360                     locateCA.setString(1, ca);
361                     GigiResultSet caRs = locateCA.executeQuery();
362                     if ( !caRs.next()) {
363                         throw new Error("ca " + ca + " was not found");
364                     }
365
366                     CertificateFactory cf = CertificateFactory.getInstance("X.509");
367                     X509Certificate crtp = (X509Certificate) cf.generateCertificate(is);
368                     BigInteger serial = crtp.getSerialNumber();
369                     updateMail.setString(1, crt.getPath());
370                     updateMail.setString(2, serial.toString(16));
371                     updateMail.setInt(3, caRs.getInt("id"));
372                     updateMail.setInt(4, id);
373                     updateMail.execute();
374
375                     finishJob.setInt(1, rs.getInt("jobid"));
376                     finishJob.execute();
377                     System.out.println("signed: " + id);
378                     continue;
379                 }
380
381             } catch (GeneralSecurityException e) {
382                 e.printStackTrace();
383             } catch (IOException e) {
384                 e.printStackTrace();
385             } catch (ParseException e) {
386                 e.printStackTrace();
387             }
388             System.out.println("Error with: " + id);
389             warnMail.setInt(1, rs.getInt("jobid"));
390             warnMail.execute();
391
392         }
393         rs.close();
394     }
395
396     private static PrivateKey loadOpensslKey(File f) throws FileNotFoundException, IOException, InvalidKeySpecException, NoSuchAlgorithmException {
397         byte[] p8b = PEM.decode("RSA PRIVATE KEY", new String(IOUtils.readURL(new FileInputStream(f))));
398         DerOutputStream dos = new DerOutputStream();
399         dos.putInteger(0);
400         new AlgorithmId(new ObjectIdentifier(new int[] {
401                 1, 2, 840, 113549, 1, 1, 1
402         })).encode(dos);
403         dos.putOctetString(p8b);
404         byte[] ctx = dos.toByteArray();
405         dos.reset();
406         dos.write(DerValue.tag_Sequence, ctx);
407         PKCS8EncodedKeySpec p8 = new PKCS8EncodedKeySpec(dos.toByteArray());
408         PrivateKey i = KeyFactory.getInstance("RSA").generatePrivate(p8);
409         return i;
410     }
411
412     public 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 {
413         File f = Paths.get("signer", "serial").toFile();
414         if ( !f.exists()) {
415             try (FileOutputStream fos = new FileOutputStream(f)) {
416                 fos.write("1".getBytes("UTF-8"));
417             }
418         }
419         try (FileInputStream fr = new FileInputStream(f)) {
420             byte[] serial = IOUtils.readURL(fr);
421             BigInteger ser = new BigInteger(new String(serial).trim());
422             ser = ser.add(BigInteger.ONE);
423
424             PrintWriter pw = new PrintWriter(f);
425             pw.println(ser);
426             pw.close();
427             if (digest != Digest.SHA256 && digest != Digest.SHA512) {
428                 System.err.println("assuming sha256 either way ;-): " + digest);
429                 digest = Digest.SHA256;
430             }
431             ObjectIdentifier sha512withrsa = new ObjectIdentifier(new int[] {
432                     1, 2, 840, 113549, 1, 1, digest == Digest.SHA256 ? 11 : 13
433             });
434             AlgorithmId aid = new AlgorithmId(sha512withrsa);
435             Signature s = Signature.getInstance(digest == Digest.SHA256 ? "SHA256withRSA" : "SHA512withRSA");
436
437             DerOutputStream cert = new DerOutputStream();
438             DerOutputStream content = new DerOutputStream();
439             {
440                 DerOutputStream version = new DerOutputStream();
441                 version.putInteger(2); // v3
442                 content.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0), version);
443             }
444             content.putInteger(ser); // Serial
445             aid.encode(content);
446
447             {
448                 content.write(issuer.getEncoded());
449             }
450             {
451                 DerOutputStream notAround = new DerOutputStream();
452                 notAround.putUTCTime(fromDate);
453                 notAround.putUTCTime(toDate);
454                 content.write(DerValue.tag_Sequence, notAround);
455             }
456             {
457
458                 X500Name xn = genX500Name(subj);
459                 content.write(xn.getEncoded());
460             }
461             {
462                 content.write(pk.getEncoded());
463             }
464             {
465                 DerOutputStream extensions = new DerOutputStream();
466                 {
467                     addExtension(extensions, new ObjectIdentifier(new int[] {
468                             2, 5, 29, 17
469                     }), generateSAN(altnames));
470                     addExtension(extensions, new ObjectIdentifier(new int[] {
471                             2, 5, 29, 15
472                     }), generateKU());
473                     addExtension(extensions, new ObjectIdentifier(new int[] {
474                             2, 5, 29, 37
475                     }), generateEKU(eku));
476                 }
477                 DerOutputStream extensionsSeq = new DerOutputStream();
478                 extensionsSeq.write(DerValue.tag_Sequence, extensions);
479                 content.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 3), extensionsSeq);
480             }
481
482             DerOutputStream contentSeq = new DerOutputStream();
483
484             contentSeq.write(DerValue.tag_Sequence, content.toByteArray());
485
486             s.initSign(prk);
487             s.update(contentSeq.toByteArray());
488
489             aid.encode(contentSeq);
490             contentSeq.putBitString(s.sign());
491             cert.write(DerValue.tag_Sequence, contentSeq);
492
493             // X509Certificate c = (X509Certificate)
494             // CertificateFactory.getInstance("X509").generateCertificate(new
495             // ByteArrayInputStream(cert.toByteArray()));
496             // c.verify(pk); only for self-signeds
497
498             byte[] res = cert.toByteArray();
499             cert.close();
500             return res;
501         }
502
503     }
504
505     private static byte[] generateKU() throws IOException {
506         try (DerOutputStream dos = new DerOutputStream()) {
507             dos.putBitString(new byte[] {
508                     (byte) 0b10101000
509             });
510             return dos.toByteArray();
511         }
512     }
513
514     private static byte[] generateEKU(String eku) throws IOException {
515
516         try (DerOutputStream dos = new DerOutputStream()) {
517             for (String name : eku.split(",")) {
518                 name = name.trim();
519                 ObjectIdentifier oid;
520                 switch (name) {
521                 case "serverAuth":
522                     oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.1");
523                     break;
524                 case "clientAuth":
525                     oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.2");
526                     break;
527                 case "codeSigning":
528                     oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.3");
529                     break;
530                 case "emailProtection":
531                     oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.4");
532                     break;
533                 case "OCSPSigning":
534                     oid = new ObjectIdentifier("1.3.6.1.5.5.7.3.9");
535                     break;
536
537                 default:
538                     throw new Error(name);
539                 }
540                 dos.putOID(oid);
541             }
542             byte[] data = dos.toByteArray();
543             dos.reset();
544             dos.write(DerValue.tag_Sequence, data);
545             return dos.toByteArray();
546         }
547     }
548
549     public static X500Name genX500Name(Map<String, String> subj) throws IOException {
550         LinkedList<RDN> rdns = new LinkedList<>();
551         for (Entry<String, String> i : subj.entrySet()) {
552             RDN rdn = genRDN(i);
553             rdns.add(rdn);
554         }
555         return new X500Name(rdns.toArray(new RDN[rdns.size()]));
556     }
557
558     private static RDN genRDN(Entry<String, String> i) throws IOException {
559         DerOutputStream dos = new DerOutputStream();
560         dos.putUTF8String(i.getValue());
561         int[] oid;
562         String key = i.getKey();
563         switch (key) {
564         case "CN":
565             oid = new int[] {
566                     2, 5, 4, 3
567             };
568             break;
569         case "EMAIL":
570         case "emailAddress":
571             oid = new int[] {
572                     1, 2, 840, 113549, 1, 9, 1
573             };
574             break;
575         case "O":
576             oid = new int[] {
577                     2, 5, 4, 10
578             };
579             break;
580         case "OU":
581             oid = new int[] {
582                     2, 5, 4, 11
583             };
584             break;
585         case "ST":
586             oid = new int[] {
587                     2, 5, 4, 8
588             };
589             break;
590         case "L":
591             oid = new int[] {
592                     2, 5, 4, 7
593             };
594             break;
595         case "C":
596             oid = new int[] {
597                     2, 5, 4, 6
598             };
599             break;
600         default:
601             dos.close();
602             throw new Error("unknown RDN-type: " + key);
603         }
604         RDN rdn = new RDN(new AVA(new ObjectIdentifier(oid), new DerValue(dos.toByteArray())));
605         dos.close();
606         return rdn;
607     }
608
609     private static void addExtension(DerOutputStream extensions, ObjectIdentifier oid, byte[] extContent) throws IOException {
610         DerOutputStream SANs = new DerOutputStream();
611         SANs.putOID(oid);
612         SANs.putOctetString(extContent);
613
614         extensions.write(DerValue.tag_Sequence, SANs);
615     }
616
617     private static byte[] generateSAN(List<SubjectAlternateName> altnames) throws IOException {
618         DerOutputStream SANContent = new DerOutputStream();
619         for (SubjectAlternateName san : altnames) {
620             byte type = 0;
621             if (san.getType() == SANType.DNS) {
622                 type = (byte) GeneralNameInterface.NAME_DNS;
623             } else if (san.getType() == SANType.EMAIL) {
624                 type = (byte) GeneralNameInterface.NAME_RFC822;
625             } else {
626                 SANContent.close();
627                 throw new Error("" + san.getType());
628             }
629             SANContent.write(DerValue.createTag(DerValue.TAG_CONTEXT, false, type), san.getName().getBytes("UTF-8"));
630         }
631         DerOutputStream SANSeqContent = new DerOutputStream();
632         SANSeqContent.write(DerValue.tag_Sequence, SANContent);
633         byte[] byteArray = SANSeqContent.toByteArray();
634         SANContent.close();
635         SANSeqContent.close();
636         return byteArray;
637     }
638 }