org.ietf.jgss.GSSCredential Java Exaples

Source File: KrbCredSubKey.java From openjdk-jdk8u-backup with GNU General Public License v2.0

9 votes

public static void main(String[] args) throws Exception {

        // We don't care about clock difference
        new FileOutputStream("krb5.conf").write(
                "[libdefaults]\nclockskew=999999999".getBytes());
        System.setProperty("java.security.krb5.conf", "krb5.conf");
        Config.refresh();

        Subject subj = new Subject();
        KerberosPrincipal kp = new KerberosPrincipal(princ);
        KerberosKey kk = new KerberosKey(
                kp, key, EncryptedData.ETYPE_AES128_CTS_HMAC_SHA1_96, 0);
        subj.getPrincipals().add(kp);
        subj.getPrivateCredentials().add(kk);

        Subject.doAs(subj, new PrivilegedExceptionAction() {
            public Object run() throws Exception {
                GSSManager man = GSSManager.getInstance();
                GSSContext ctxt = man.createContext(man.createCredential(
                        null, GSSCredential.INDEFINITE_LIFETIME,
                        GSSUtil.GSS_KRB5_MECH_OID, GSSCredential.ACCEPT_ONLY));
                return ctxt.acceptSecContext(token, 0, token.length);
            }
        });
    }

Source File: SpnegoLifeTime.java From hottub with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        Oid oid = GSSUtil.GSS_SPNEGO_MECH_OID;
        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, oid);
        c.x().requestCredDeleg(true);
        s.startAsServer(oid);

        Context.handshake(c, s);

        GSSCredential cred = s.delegated().cred();
        cred.getRemainingInitLifetime(oid);
        cred.getUsage(oid);
    }

Source File: Context.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = (ExtendedGSSContext)m.createContext(me.cred);
            return null;
        }
    }, null);
}

Source File: SpnegoLifeTime.java From openjdk-8-source with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        Oid oid = GSSUtil.GSS_SPNEGO_MECH_OID;
        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, oid);
        c.x().requestCredDeleg(true);
        s.startAsServer(oid);

        Context.handshake(c, s);

        GSSCredential cred = s.delegated().cred();
        cred.getRemainingInitLifetime(oid);
        cred.getUsage(oid);
    }

Source File: MechTokenMissing.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: SpnegoLifeTime.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        Oid oid = GSSUtil.GSS_SPNEGO_MECH_OID;
        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, oid);
        c.x().requestCredDeleg(true);
        s.startAsServer(oid);

        Context.handshake(c, s);

        GSSCredential cred = s.delegated().cred();
        cred.getRemainingInitLifetime(oid);
        cred.getUsage(oid);
    }

Source File: LifeTimeInSeconds.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    new OneKDC(null).writeJAASConf();
    System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");

    GSSManager gm = GSSManager.getInstance();
    GSSCredential cred = gm.createCredential(GSSCredential.INITIATE_AND_ACCEPT);
    int time = cred.getRemainingLifetime();
    int time2 = cred.getRemainingInitLifetime(null);
    // The test KDC issues a TGT with a default lifetime of 11 hours
    int elevenhrs = 11*3600;
    if (time > elevenhrs+60 || time < elevenhrs-60) {
        throw new Exception("getRemainingLifetime returns wrong value.");
    }
    if (time2 > elevenhrs+60 || time2 < elevenhrs-60) {
        throw new Exception("getRemainingInitLifetime returns wrong value.");
    }
}

Source File: KrbCredSubKey.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        // We don't care about clock difference
        new FileOutputStream("krb5.conf").write(
                "[libdefaults]\nclockskew=999999999".getBytes());
        System.setProperty("java.security.krb5.conf", "krb5.conf");
        Config.refresh();

        Subject subj = new Subject();
        KerberosPrincipal kp = new KerberosPrincipal(princ);
        KerberosKey kk = new KerberosKey(
                kp, key, EncryptedData.ETYPE_AES128_CTS_HMAC_SHA1_96, 0);
        subj.getPrincipals().add(kp);
        subj.getPrivateCredentials().add(kk);

        Subject.doAs(subj, new PrivilegedExceptionAction() {
            public Object run() throws Exception {
                GSSManager man = GSSManager.getInstance();
                GSSContext ctxt = man.createContext(man.createCredential(
                        null, GSSCredential.INDEFINITE_LIFETIME,
                        GSSUtil.GSS_KRB5_MECH_OID, GSSCredential.ACCEPT_ONLY));
                return ctxt.acceptSecContext(token, 0, token.length);
            }
        });
    }

Source File: Context.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = (ExtendedGSSContext)m.createContext(me.cred);
            return null;
        }
    }, null);
}

Source File: LifeTimeInSeconds.java From jdk8u-dev-jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    new OneKDC(null).writeJAASConf();
    System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");

    GSSManager gm = GSSManager.getInstance();
    GSSCredential cred = gm.createCredential(GSSCredential.INITIATE_AND_ACCEPT);
    int time = cred.getRemainingLifetime();
    int time2 = cred.getRemainingInitLifetime(null);
    // The test KDC issues a TGT with a default lifetime of 11 hours
    int elevenhrs = 11*3600;
    if (time > elevenhrs+60 || time < elevenhrs-60) {
        throw new Exception("getRemainingLifetime returns wrong value.");
    }
    if (time2 > elevenhrs+60 || time2 < elevenhrs-60) {
        throw new Exception("getRemainingInitLifetime returns wrong value.");
    }
}

Source File: SpnegoLifeTime.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        Oid oid = GSSUtil.GSS_SPNEGO_MECH_OID;
        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, oid);
        c.x().requestCredDeleg(true);
        s.startAsServer(oid);

        Context.handshake(c, s);

        GSSCredential cred = s.delegated().cred();
        cred.getRemainingInitLifetime(oid);
        cred.getUsage(oid);
    }

Source File: MechTokenMissing.java From openjdk-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: TestInfoServersACL.java From hbase with Apache License 2.0

6 votes

private CloseableHttpClient createHttpClient(String clientPrincipal) throws Exception {
  // Logs in with Kerberos via GSS
  GSSManager gssManager = GSSManager.getInstance();
  // jGSS Kerberos login constant
  Oid oid = new Oid("1.2.840.113554.1.2.2");
  GSSName gssClient = gssManager.createName(clientPrincipal, GSSName.NT_USER_NAME);
  GSSCredential credential = gssManager.createCredential(
      gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY);

  Lookup<AuthSchemeProvider> authRegistry = RegistryBuilder.<AuthSchemeProvider>create()
      .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true, true)).build();

  BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
  credentialsProvider.setCredentials(AuthScope.ANY, new KerberosCredentials(credential));

  return HttpClients.custom().setDefaultAuthSchemeRegistry(authRegistry)
      .setDefaultCredentialsProvider(credentialsProvider).build();
}

Source File: KerberosJdkProvider.java From keycloak with Apache License 2.0

6 votes

@Override
public KerberosTicket gssCredentialToKerberosTicket(KerberosTicket kerberosTicket, GSSCredential gssCredential) {
    try {
        Class<?> gssUtil = Class.forName("com.sun.security.jgss.GSSUtil");
        Method createSubject = gssUtil.getMethod("createSubject", GSSName.class, GSSCredential.class);
        Subject subject = (Subject) createSubject.invoke(null, null, gssCredential);
        Set<KerberosTicket> kerberosTickets = subject.getPrivateCredentials(KerberosTicket.class);
        Iterator<KerberosTicket> iterator = kerberosTickets.iterator();
        if (iterator.hasNext()) {
            return iterator.next();
        } else {
            throw new KerberosSerializationUtils.KerberosSerializationException("Not available kerberosTicket in subject credentials. Subject was: " + subject.toString());
        }
    } catch (KerberosSerializationUtils.KerberosSerializationException ke) {
        throw ke;
    } catch (Exception e) {
        throw new KerberosSerializationUtils.KerberosSerializationException("Unexpected error during convert GSSCredential to KerberosTicket", e);
    }
}

Source File: GSSCredentialsClient.java From keycloak with Apache License 2.0

6 votes

private static LDAPUser invokeLdap(GSSCredential gssCredential, String username) throws NamingException {
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:10389");

    if (gssCredential != null) {
        env.put(Context.SECURITY_AUTHENTICATION, "GSSAPI");
        env.put(Sasl.CREDENTIALS, gssCredential);
    }

    DirContext ctx = new InitialDirContext(env);
    try {
        Attributes attrs = ctx.getAttributes("uid=" + username + ",ou=People,dc=keycloak,dc=org");
        String uid = username;
        String cn = (String) attrs.get("cn").get();
        String sn = (String) attrs.get("sn").get();
        return new LDAPUser(uid, cn, sn);
    } finally {
        ctx.close();
    }
}

Source File: Context.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = m.createContext(me.cred);
            return null;
        }
    }, null);
}

Source File: AbstractKerberosTest.java From keycloak with Apache License 2.0

6 votes

protected String invokeLdap(GSSCredential gssCredential, String username) throws NamingException {
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:10389");

    if (gssCredential != null) {
        env.put(Context.SECURITY_AUTHENTICATION, "GSSAPI");
        env.put(Sasl.CREDENTIALS, gssCredential);
    }

    DirContext ctx = new InitialDirContext(env);
    try {
        Attributes attrs = ctx.getAttributes("uid=" + username + ",ou=People,dc=keycloak,dc=org");
        String cn = (String) attrs.get("cn").get();
        String sn = (String) attrs.get("sn").get();
        return cn + " " + sn;
    } finally {
        ctx.close();
    }
}

Source File: MechTokenMissing.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: SpnegoLifeTime.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        Oid oid = GSSUtil.GSS_SPNEGO_MECH_OID;
        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, oid);
        c.x().requestCredDeleg(true);
        s.startAsServer(oid);

        Context.handshake(c, s);

        GSSCredential cred = s.delegated().cred();
        cred.getRemainingInitLifetime(oid);
        cred.getUsage(oid);
    }

Source File: MechTokenMissing.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: KrbCredSubKey.java From jdk8u_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {

        // We don't care about clock difference
        new FileOutputStream("krb5.conf").write(
                "[libdefaults]\nclockskew=999999999".getBytes());
        System.setProperty("java.security.krb5.conf", "krb5.conf");
        Config.refresh();

        Subject subj = new Subject();
        KerberosPrincipal kp = new KerberosPrincipal(princ);
        KerberosKey kk = new KerberosKey(
                kp, key, EncryptedData.ETYPE_AES128_CTS_HMAC_SHA1_96, 0);
        subj.getPrincipals().add(kp);
        subj.getPrivateCredentials().add(kk);

        Subject.doAs(subj, new PrivilegedExceptionAction() {
            public Object run() throws Exception {
                GSSManager man = GSSManager.getInstance();
                GSSContext ctxt = man.createContext(man.createCredential(
                        null, GSSCredential.INDEFINITE_LIFETIME,
                        GSSUtil.GSS_KRB5_MECH_OID, GSSCredential.ACCEPT_ONLY));
                return ctxt.acceptSecContext(token, 0, token.length);
            }
        });
    }

Source File: Context.java From jdk8u60 with GNU General Public License v2.0

6 votes

/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = (ExtendedGSSContext)m.createContext(me.cred);
            return null;
        }
    }, null);
}

Source File: MechTokenMissing.java From openjdk-8-source with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: Context.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = (ExtendedGSSContext)m.createContext(me.cred);
            return null;
        }
    }, null);
}

Source File: MechTokenMissing.java From jdk8u60 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);

    String var =
        /*0000*/ "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " +
        /*0010*/ "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length()/3];
    for (int i=0; i<token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3*i,3*i+2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}

Source File: KerberosSerializationUtils.java From keycloak with Apache License 2.0

5 votes

public static String serializeCredential(KerberosTicket kerberosTicket, GSSCredential gssCredential) throws KerberosSerializationException {
    try {
        if (gssCredential == null) {
            throw new KerberosSerializationException("Null credential given as input");
        }

        kerberosTicket = KerberosJdkProvider.getProvider().gssCredentialToKerberosTicket(kerberosTicket, gssCredential);

        return serialize(kerberosTicket);
    } catch (IOException e) {
        throw new KerberosSerializationException("Unexpected exception when serialize GSSCredential", e);
    }
}

Source File: HttpNegotiateServer.java From jdk8u60 with GNU General Public License v2.0

5 votes

public MyServerAuthenticator(boolean proxy, String scheme,
        String principal, String ktab) throws Exception {

    this.scheme = scheme;
    if (proxy) {
        reqHdr = "Proxy-Authenticate";
        respHdr = "Proxy-Authorization";
        err = HttpURLConnection.HTTP_PROXY_AUTH;
    }

    Krb5LoginModule krb5 = new Krb5LoginModule();
    Map<String, String> map = new HashMap<>();
    Map<String, Object> shared = new HashMap<>();

    map.put("storeKey", "true");
    map.put("isInitiator", "false");
    map.put("useKeyTab", "true");
    map.put("keyTab", ktab);
    map.put("principal", principal);
    krb5.initialize(s, null, shared, map);
    krb5.login();
    krb5.commit();
    m = GSSManager.getInstance();
    cred = Subject.doAs(s, new PrivilegedExceptionAction<GSSCredential>() {
        @Override
        public GSSCredential run() throws Exception {
            System.err.println("Creating GSSCredential");
            return m.createCredential(
                    null,
                    GSSCredential.INDEFINITE_LIFETIME,
                    MyServerAuthenticator.this.scheme.equalsIgnoreCase("Negotiate")?
                            GSSUtil.GSS_SPNEGO_MECH_OID:
                            GSSUtil.GSS_KRB5_MECH_OID,
                    GSSCredential.ACCEPT_ONLY);
        }
    });
}

Source File: AvaticaCommonsHttpClientSpnegoImpl.java From calcite-avatica with Apache License 2.0

5 votes

public void setGSSCredential(GSSCredential credential) {
  this.authRegistry = RegistryBuilder.<AuthSchemeProvider>create().register(AuthSchemes.SPNEGO,
      new SPNegoSchemeFactory(STRIP_PORT_ON_SERVER_LOOKUP, USE_CANONICAL_HOSTNAME)).build();

  this.credentialsProvider = new BasicCredentialsProvider();
  if (null != credential) {
    // Non-null credential should be used directly with KerberosCredentials.
    // This is never set by the JDBC driver, nor the tests
    this.credentialsProvider.setCredentials(AuthScope.ANY, new KerberosCredentials(credential));
  } else {
    // A null credential implies that the user is logged in via JAAS using the
    // java.security.auth.login.config system property
    this.credentialsProvider.setCredentials(AuthScope.ANY, EmptyCredentials.INSTANCE);
  }
}

Source File: MSOID.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

public static void main(String[] args) throws Exception {

        // msoid.txt is a NegTokenInit packet sent from Internet Explorer to
        // IIS server on a test machine. No sensitive info included.
        byte[] header = Files.readAllBytes(
                Paths.get(System.getProperty("test.src"), "msoid.txt"));
        byte[] token = Base64.getMimeDecoder().decode(
                Arrays.copyOfRange(header, 10, header.length));

        GSSCredential cred = null;
        GSSContext ctx = GSSManager.getInstance().createContext(cred);

        try {
            ctx.acceptSecContext(token, 0, token.length);
            // Before the fix, GSS_KRB5_MECH_OID_MS is not recognized
            // and acceptor chooses another mech and goes on
            throw new Exception("Should fail");
        } catch (GSSException gsse) {
            // After the fix, GSS_KRB5_MECH_OID_MS is recognized but the token
            // cannot be accepted because we don't have any krb5 credential.
            gsse.printStackTrace();
            if (gsse.getMajor() != GSSException.NO_CRED) {
                throw gsse;
            }
            for (StackTraceElement st: gsse.getStackTrace()) {
                if (st.getClassName().startsWith("sun.security.jgss.krb5.")) {
                    // Good, it is already in krb5 mech's hand.
                    return;
                }
            }
            throw gsse;
        }
    }

Source File: HttpNegotiateServer.java From hottub with GNU General Public License v2.0

5 votes

public MyServerAuthenticator(boolean proxy, String scheme,
        String principal, String ktab) throws Exception {

    this.scheme = scheme;
    if (proxy) {
        reqHdr = "Proxy-Authenticate";
        respHdr = "Proxy-Authorization";
        err = HttpURLConnection.HTTP_PROXY_AUTH;
    }

    Krb5LoginModule krb5 = new Krb5LoginModule();
    Map<String, String> map = new HashMap<>();
    Map<String, Object> shared = new HashMap<>();

    map.put("storeKey", "true");
    map.put("isInitiator", "false");
    map.put("useKeyTab", "true");
    map.put("keyTab", ktab);
    map.put("principal", principal);
    krb5.initialize(s, null, shared, map);
    krb5.login();
    krb5.commit();
    m = GSSManager.getInstance();
    cred = Subject.doAs(s, new PrivilegedExceptionAction<GSSCredential>() {
        @Override
        public GSSCredential run() throws Exception {
            System.err.println("Creating GSSCredential");
            return m.createCredential(
                    null,
                    GSSCredential.INDEFINITE_LIFETIME,
                    MyServerAuthenticator.this.scheme.equalsIgnoreCase("Negotiate")?
                            GSSUtil.GSS_SPNEGO_MECH_OID:
                            GSSUtil.GSS_KRB5_MECH_OID,
                    GSSCredential.ACCEPT_ONLY);
        }
    });
}

org.ietf.jgss.GSSCredential Java Examples