Examples with ETypeInfo2 sun.security.krb5.internal.ETypeInfo2 used on opensource projects

Example 1 with ETypeInfo2

use of sun.security.krb5.internal.ETypeInfo2 in project jdk8u_jdk by JetBrains.

the class OptionPADataInKDCReq method main.

public static void main(String[] args) throws Exception {
    /*
         * This is a AS-REQ block without padata. The content is --
        [APPLICATION 10] SEQUENCE {
            [1] INTEGER 5
            [2] INTEGER 10
            [4] SEQUENCE {
                [0] BIT STRING 01000000 10000001 00000000 00010000
                [1] SEQUENCE {
                    [0] INTEGER 1
                    [1] SEQUENCE {
                        STRING administrator
                    }
                }
                [2] STRING N3
                [3] SEQUENCE {
                    [0] INTEGER 2
                    [1] SEQUENCE {
                        STRING krbtgt
                        STRING N3
                    }
                }
                [5] TIME Sun Sep 13 10:48:05 CST 2037
                [6] TIME Sun Sep 13 10:48:05 CST 2037
                [7] INTEGER 2101281516
                [8] SEQUENCE {
                    INTEGER 23
                    INTEGER -133
                    INTEGER -128
                    INTEGER 3
                    INTEGER 1
                    INTEGER 24
                    INTEGER -135
                }
                [9] SEQUENCE {
                    SEQUENCE {
                        [0] INTEGER 20
                        [1] OCTET STRING
                            0000: 58 50 20 20 20 20 20 20   20 20 20 20 20 20 20 20  XP
                    }
                }
            }
        }
        */
    byte[] b = { (byte) 0x6a, (byte) 0x81, (byte) 0xbf, (byte) 0x30, (byte) 0x81, (byte) 0xbc, (byte) 0xa1, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x05, (byte) 0xa2, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x0a, (byte) 0xa4, (byte) 0x81, (byte) 0xaf, (byte) 0x30, (byte) 0x81, (byte) 0xac, (byte) 0xa0, (byte) 0x07, (byte) 0x03, (byte) 0x05, (byte) 0x00, (byte) 0x40, (byte) 0x81, (byte) 0x00, (byte) 0x10, (byte) 0xa1, (byte) 0x1a, (byte) 0x30, (byte) 0x18, (byte) 0xa0, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x01, (byte) 0xa1, (byte) 0x11, (byte) 0x30, (byte) 0x0f, (byte) 0x1b, (byte) 0x0d, (byte) 0x61, (byte) 0x64, (byte) 0x6d, (byte) 0x69, (byte) 0x6e, (byte) 0x69, (byte) 0x73, (byte) 0x74, (byte) 0x72, (byte) 0x61, (byte) 0x74, (byte) 0x6f, (byte) 0x72, (byte) 0xa2, (byte) 0x04, (byte) 0x1b, (byte) 0x02, (byte) 0x4e, (byte) 0x33, (byte) 0xa3, (byte) 0x17, (byte) 0x30, (byte) 0x15, (byte) 0xa0, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x02, (byte) 0xa1, (byte) 0x0e, (byte) 0x30, (byte) 0x0c, (byte) 0x1b, (byte) 0x06, (byte) 0x6b, (byte) 0x72, (byte) 0x62, (byte) 0x74, (byte) 0x67, (byte) 0x74, (byte) 0x1b, (byte) 0x02, (byte) 0x4e, (byte) 0x33, (byte) 0xa5, (byte) 0x11, (byte) 0x18, (byte) 0x0f, (byte) 0x32, (byte) 0x30, (byte) 0x33, (byte) 0x37, (byte) 0x30, (byte) 0x39, (byte) 0x31, (byte) 0x33, (byte) 0x30, (byte) 0x32, (byte) 0x34, (byte) 0x38, (byte) 0x30, (byte) 0x35, (byte) 0x5a, (byte) 0xa6, (byte) 0x11, (byte) 0x18, (byte) 0x0f, (byte) 0x32, (byte) 0x30, (byte) 0x33, (byte) 0x37, (byte) 0x30, (byte) 0x39, (byte) 0x31, (byte) 0x33, (byte) 0x30, (byte) 0x32, (byte) 0x34, (byte) 0x38, (byte) 0x30, (byte) 0x35, (byte) 0x5a, (byte) 0xa7, (byte) 0x06, (byte) 0x02, (byte) 0x04, (byte) 0x7d, (byte) 0x3f, (byte) 0x02, (byte) 0xec, (byte) 0xa8, (byte) 0x19, (byte) 0x30, (byte) 0x17, (byte) 0x02, (byte) 0x01, (byte) 0x17, (byte) 0x02, (byte) 0x02, (byte) 0xff, (byte) 0x7b, (byte) 0x02, (byte) 0x01, (byte) 0x80, (byte) 0x02, (byte) 0x01, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x01, (byte) 0x02, (byte) 0x01, (byte) 0x18, (byte) 0x02, (byte) 0x02, (byte) 0xff, (byte) 0x79, (byte) 0xa9, (byte) 0x1d, (byte) 0x30, (byte) 0x1b, (byte) 0x30, (byte) 0x19, (byte) 0xa0, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x14, (byte) 0xa1, (byte) 0x12, (byte) 0x04, (byte) 0x10, (byte) 0x58, (byte) 0x50, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20 };
    new KDCReq(b, 0x0a);
    /*
         * This is a fake ETYPEINFO2 block with no salt
            SEQUENCE {
                [0] INTEGER 0
                [2] OCTET STRING 0000: 00                                                 .
            }
         */
    byte[] b2 = { (byte) 0x30, (byte) 0x0a, (byte) 0xa0, (byte) 0x03, (byte) 0x02, (byte) 0x01, (byte) 0x00, (byte) 0xa2, (byte) 0x03, (byte) 0x04, (byte) 0x01, (byte) 0x00 };
    ETypeInfo2 e2 = new ETypeInfo2(new DerValue(b2));
    if (e2.getSalt() != null || e2.getParams() == null) {
        throw new Exception("ETypeInfo2 decoding error");
    }
}

Example 2 with ETypeInfo2

use of sun.security.krb5.internal.ETypeInfo2 in project jdk8u_jdk by JetBrains.

the class PAData method getSaltAndParams.

/**
     * Fetches salt and s2kparams value for eType in a series of PA-DATAs.
     * 1. ETYPE-INFO2-ENTRY with unknown s2kparams ignored
     * 2. PA-ETYPE-INFO2 preferred to PA-ETYPE-INFO preferred to PA-PW-SALT.
     * 3. multiple entries for same etype in one PA-DATA, use the first one.
     * 4. Multiple PA-DATA with same type, choose the last one
     * (This is useful when PA-DATAs from KRB-ERROR and AS-REP are combined).
     * @return salt and s2kparams. can be null if not found
     */
public static SaltAndParams getSaltAndParams(int eType, PAData[] pas) throws Asn1Exception, IOException {
    if (pas == null)
        return null;
    DerValue d = null, d2 = null;
    String paPwSalt = null;
    for (PAData p : pas) {
        if (p.getValue() == null)
            continue;
        switch(p.getType()) {
            case Krb5.PA_PW_SALT:
                paPwSalt = new String(p.getValue(), KerberosString.MSNAME ? "UTF8" : "8859_1");
                break;
            case Krb5.PA_ETYPE_INFO:
                d = new DerValue(p.getValue());
                break;
            case Krb5.PA_ETYPE_INFO2:
                d2 = new DerValue(p.getValue());
                break;
        }
    }
    if (d2 != null) {
        while (d2.data.available() > 0) {
            DerValue value = d2.data.getDerValue();
            ETypeInfo2 tmp = new ETypeInfo2(value);
            if (tmp.getParams() == null && tmp.getEType() == eType) {
                // we don't support non-null s2kparams
                return new SaltAndParams(tmp.getSalt(), tmp.getParams());
            }
        }
    }
    if (d != null) {
        while (d.data.available() > 0) {
            DerValue value = d.data.getDerValue();
            ETypeInfo tmp = new ETypeInfo(value);
            if (tmp.getEType() == eType) {
                return new SaltAndParams(tmp.getSalt(), null);
            }
        }
    }
    if (paPwSalt != null) {
        return new SaltAndParams(paPwSalt, null);
    }
    return null;
}

Example 3 with ETypeInfo2

use of sun.security.krb5.internal.ETypeInfo2 in project jdk8u_jdk by JetBrains.

the class KDC method processAsReq.

/**
     * Processes a AS_REQ and generates a AS_REP (or KRB_ERROR)
     * @param in the request
     * @return the response
     * @throws java.lang.Exception for various errors
     */
protected byte[] processAsReq(byte[] in) throws Exception {
    ASReq asReq = new ASReq(in);
    int[] eTypes = null;
    List<PAData> outPAs = new ArrayList<>();
    PrincipalName service = asReq.reqBody.sname;
    if (options.containsKey(KDC.Option.RESP_NT)) {
        service = new PrincipalName((int) options.get(KDC.Option.RESP_NT), service.getNameStrings(), Realm.getDefault());
    }
    try {
        System.out.println(realm + "> " + asReq.reqBody.cname + " sends AS-REQ for " + service + ", " + asReq.reqBody.kdcOptions);
        KDCReqBody body = asReq.reqBody;
        eTypes = KDCReqBodyDotEType(body);
        int eType = eTypes[0];
        EncryptionKey ckey = keyForUser(body.cname, eType, false);
        EncryptionKey skey = keyForUser(service, eType, true);
        if (options.containsKey(KDC.Option.ONLY_RC4_TGT)) {
            int tgtEType = EncryptedData.ETYPE_ARCFOUR_HMAC;
            boolean found = false;
            for (int i = 0; i < eTypes.length; i++) {
                if (eTypes[i] == tgtEType) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                throw new KrbException(Krb5.KDC_ERR_ETYPE_NOSUPP);
            }
            skey = keyForUser(service, tgtEType, true);
        }
        if (ckey == null) {
            throw new KrbException(Krb5.KDC_ERR_ETYPE_NOSUPP);
        }
        if (skey == null) {
            // TODO
            throw new KrbException(Krb5.KDC_ERR_SUMTYPE_NOSUPP);
        }
        // Session key
        EncryptionKey key = generateRandomKey(eType);
        // Check time, TODO
        KerberosTime till = body.till;
        if (till == null) {
            // TODO
            throw new KrbException(Krb5.KDC_ERR_NEVER_VALID);
        } else if (till.isZero()) {
            till = new KerberosTime(new Date().getTime() + 1000 * 3600 * 11);
        }
        //body.from
        boolean[] bFlags = new boolean[Krb5.TKT_OPTS_MAX + 1];
        if (body.kdcOptions.get(KDCOptions.FORWARDABLE)) {
            List<String> sensitives = (List<String>) options.get(Option.SENSITIVE_ACCOUNTS);
            if (sensitives != null && sensitives.contains(body.cname.toString())) {
            // Cannot make FORWARDABLE
            } else {
                bFlags[Krb5.TKT_OPTS_FORWARDABLE] = true;
            }
        }
        if (body.kdcOptions.get(KDCOptions.RENEWABLE)) {
            bFlags[Krb5.TKT_OPTS_RENEWABLE] = true;
        //renew = new KerberosTime(new Date().getTime() + 1000 * 3600 * 24 * 7);
        }
        if (body.kdcOptions.get(KDCOptions.PROXIABLE)) {
            bFlags[Krb5.TKT_OPTS_PROXIABLE] = true;
        }
        if (body.kdcOptions.get(KDCOptions.POSTDATED)) {
            bFlags[Krb5.TKT_OPTS_POSTDATED] = true;
        }
        if (body.kdcOptions.get(KDCOptions.ALLOW_POSTDATE)) {
            bFlags[Krb5.TKT_OPTS_MAY_POSTDATE] = true;
        }
        bFlags[Krb5.TKT_OPTS_INITIAL] = true;
        // Creating PA-DATA
        DerValue[] pas2 = null, pas = null;
        if (options.containsKey(KDC.Option.DUP_ETYPE)) {
            int n = (Integer) options.get(KDC.Option.DUP_ETYPE);
            switch(n) {
                case // customer's case in 7067974
                1:
                    pas2 = new DerValue[] { new DerValue(new ETypeInfo2(1, null, null).asn1Encode()), new DerValue(new ETypeInfo2(1, "", null).asn1Encode()), new DerValue(new ETypeInfo2(1, realm, new byte[] { 1 }).asn1Encode()) };
                    pas = new DerValue[] { new DerValue(new ETypeInfo(1, null).asn1Encode()), new DerValue(new ETypeInfo(1, "").asn1Encode()), new DerValue(new ETypeInfo(1, realm).asn1Encode()) };
                    break;
                case // we still reject non-null s2kparams and prefer E2 over E
                2:
                    pas2 = new DerValue[] { new DerValue(new ETypeInfo2(1, realm, new byte[] { 1 }).asn1Encode()), new DerValue(new ETypeInfo2(1, null, null).asn1Encode()), new DerValue(new ETypeInfo2(1, "", null).asn1Encode()) };
                    pas = new DerValue[] { new DerValue(new ETypeInfo(1, realm).asn1Encode()), new DerValue(new ETypeInfo(1, null).asn1Encode()), new DerValue(new ETypeInfo(1, "").asn1Encode()) };
                    break;
                case // but only E is wrong
                3:
                    pas = new DerValue[] { new DerValue(new ETypeInfo(1, realm).asn1Encode()), new DerValue(new ETypeInfo(1, null).asn1Encode()), new DerValue(new ETypeInfo(1, "").asn1Encode()) };
                    break;
                case // we also ignore rc4-hmac
                4:
                    pas = new DerValue[] { new DerValue(new ETypeInfo(23, "ANYTHING").asn1Encode()), new DerValue(new ETypeInfo(1, null).asn1Encode()), new DerValue(new ETypeInfo(1, "").asn1Encode()) };
                    break;
                case // "" should be wrong, but we accept it now
                5:
                    // See s.s.k.internal.PAData$SaltAndParams
                    pas = new DerValue[] { new DerValue(new ETypeInfo(1, "").asn1Encode()), new DerValue(new ETypeInfo(1, null).asn1Encode()) };
                    break;
            }
        } else {
            int[] epas = eTypes;
            if (options.containsKey(KDC.Option.RC4_FIRST_PREAUTH)) {
                for (int i = 1; i < epas.length; i++) {
                    if (epas[i] == EncryptedData.ETYPE_ARCFOUR_HMAC) {
                        epas[i] = epas[0];
                        epas[0] = EncryptedData.ETYPE_ARCFOUR_HMAC;
                        break;
                    }
                }
                ;
            } else if (options.containsKey(KDC.Option.ONLY_ONE_PREAUTH)) {
                epas = new int[] { eTypes[0] };
            }
            pas2 = new DerValue[epas.length];
            for (int i = 0; i < epas.length; i++) {
                pas2[i] = new DerValue(new ETypeInfo2(epas[i], epas[i] == EncryptedData.ETYPE_ARCFOUR_HMAC ? null : getSalt(body.cname), null).asn1Encode());
            }
            boolean allOld = true;
            for (int i : eTypes) {
                if (i == EncryptedData.ETYPE_AES128_CTS_HMAC_SHA1_96 || i == EncryptedData.ETYPE_AES256_CTS_HMAC_SHA1_96) {
                    allOld = false;
                    break;
                }
            }
            if (allOld) {
                pas = new DerValue[epas.length];
                for (int i = 0; i < epas.length; i++) {
                    pas[i] = new DerValue(new ETypeInfo(epas[i], epas[i] == EncryptedData.ETYPE_ARCFOUR_HMAC ? null : getSalt(body.cname)).asn1Encode());
                }
            }
        }
        DerOutputStream eid;
        if (pas2 != null) {
            eid = new DerOutputStream();
            eid.putSequence(pas2);
            outPAs.add(new PAData(Krb5.PA_ETYPE_INFO2, eid.toByteArray()));
        }
        if (pas != null) {
            eid = new DerOutputStream();
            eid.putSequence(pas);
            outPAs.add(new PAData(Krb5.PA_ETYPE_INFO, eid.toByteArray()));
        }
        PAData[] inPAs = KDCReqDotPAData(asReq);
        if (inPAs == null || inPAs.length == 0) {
            Object preauth = options.get(Option.PREAUTH_REQUIRED);
            if (preauth == null || preauth.equals(Boolean.TRUE)) {
                throw new KrbException(Krb5.KDC_ERR_PREAUTH_REQUIRED);
            }
        } else {
            try {
                EncryptedData data = newEncryptedData(new DerValue(inPAs[0].getValue()));
                EncryptionKey pakey = keyForUser(body.cname, data.getEType(), false);
                data.decrypt(pakey, KeyUsage.KU_PA_ENC_TS);
            } catch (Exception e) {
                throw new KrbException(Krb5.KDC_ERR_PREAUTH_FAILED);
            }
            bFlags[Krb5.TKT_OPTS_PRE_AUTHENT] = true;
        }
        TicketFlags tFlags = new TicketFlags(bFlags);
        EncTicketPart enc = new EncTicketPart(tFlags, key, body.cname, new TransitedEncoding(1, new byte[0]), new KerberosTime(new Date()), body.from, till, body.rtime, body.addresses, null);
        Ticket t = new Ticket(service, new EncryptedData(skey, enc.asn1Encode(), KeyUsage.KU_TICKET));
        EncASRepPart enc_part = new EncASRepPart(key, new LastReq(new LastReqEntry[] { new LastReqEntry(0, new KerberosTime(new Date().getTime() - 10000)) }), // TODO: detect replay?
        body.getNonce(), new KerberosTime(new Date().getTime() + 1000 * 3600 * 24), // Next 5 and last MUST be same with ticket
        tFlags, new KerberosTime(new Date()), body.from, till, body.rtime, service, body.addresses);
        EncryptedData edata = new EncryptedData(ckey, enc_part.asn1Encode(), KeyUsage.KU_ENC_AS_REP_PART);
        ASRep asRep = new ASRep(outPAs.toArray(new PAData[outPAs.size()]), body.cname, t, edata);
        System.out.println("     Return " + asRep.cname + " ticket for " + asRep.ticket.sname + ", flags " + tFlags);
        DerOutputStream out = new DerOutputStream();
        out.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte) Krb5.KRB_AS_REP), asRep.asn1Encode());
        byte[] result = out.toByteArray();
        // Added feature:
        // Write the current issuing TGT into a ccache file specified
        // by the system property below.
        String ccache = System.getProperty("test.kdc.save.ccache");
        if (ccache != null) {
            asRep.encKDCRepPart = enc_part;
            sun.security.krb5.internal.ccache.Credentials credentials = new sun.security.krb5.internal.ccache.Credentials(asRep);
            CredentialsCache cache = CredentialsCache.create(asReq.reqBody.cname, ccache);
            if (cache == null) {
                throw new IOException("Unable to create the cache file " + ccache);
            }
            cache.update(credentials);
            cache.save();
        }
        return result;
    } catch (KrbException ke) {
        ke.printStackTrace(System.out);
        KRBError kerr = ke.getError();
        KDCReqBody body = asReq.reqBody;
        System.out.println("     Error " + ke.returnCode() + " " + ke.returnCodeMessage());
        byte[] eData = null;
        if (kerr == null) {
            if (ke.returnCode() == Krb5.KDC_ERR_PREAUTH_REQUIRED || ke.returnCode() == Krb5.KDC_ERR_PREAUTH_FAILED) {
                DerOutputStream bytes = new DerOutputStream();
                bytes.write(new PAData(Krb5.PA_ENC_TIMESTAMP, new byte[0]).asn1Encode());
                for (PAData p : outPAs) {
                    bytes.write(p.asn1Encode());
                }
                DerOutputStream temp = new DerOutputStream();
                temp.write(DerValue.tag_Sequence, bytes);
                eData = temp.toByteArray();
            }
            kerr = new KRBError(null, null, null, new KerberosTime(new Date()), 0, ke.returnCode(), body.cname, service, KrbException.errorMessage(ke.returnCode()), eData);
        }
        return kerr.asn1Encode();
    }
}