Examples of org.ietf.jgss.GSSManager.createContext()

org.ietf.jgss.GSSManager.createContext()
Factory method for creating a context on the initiator's side. Some mechanism providers might require that the caller be granted permission to initiate a security context. A failed permission check might cause a {@link java.lang.SecurityException SecurityException}to be thrown from this method.
Non-default values for lifetime cannot always be honored by the underlying mechanism, thus applications should be prepared to call {@link GSSContext#getLifetime() getLifetime} on the returnedcontext.
@param peer the name of the target peer. @param mech the Oid of the desired mechanism. Use nullto request the default mechanism. @param myCred the credentials of the initiator. Usenull to act as the default initiator principal. @param lifetime the lifetime, in seconds, requested for thecontext. Use {@link GSSContext#INDEFINITE_LIFETIME GSSContext.INDEFINITE_LIFETIME} to request that the context have the maximum permitted lifetime. Use {@link GSSContext#DEFAULT_LIFETIME GSSContext.DEFAULT_LIFETIME} to request a default lifetime for thecontext. @return an unestablished GSSContext @see GSSContext @throws GSSException containing the following major error codes: {@link GSSException#NO_CRED GSSException.NO_CRED}{@link GSSException#CREDENTIALS_EXPIRED GSSException.CREDENTIALS_EXPIRED}{@link GSSException#BAD_NAMETYPE GSSException.BAD_NAMETYPE}{@link GSSException#BAD_MECH GSSException.BAD_MECH}{@link GSSException#FAILURE GSSException.FAILURE}

                /* Kerberos v5 GSS-API mechanism defined in RFC 1964.*/
                log.debug("Using Kerberos MECH " + KERBEROS_OID);
                negotiationOid  = new Oid(KERBEROS_OID);
                GSSManager manager = getManager();
                GSSName serverName = manager.createName("HTTP/" + authServer, null);
                gssContext = manager.createContext(
                        serverName.canonicalize(negotiationOid), negotiationOid, null,
                        GSSContext.DEFAULT_LIFETIME);
                gssContext.requestMutualAuth(true);
                gssContext.requestCredDeleg(true);
            }

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                                GSSCredential.DEFAULT_LIFETIME,
                                new Oid("1.3.6.1.5.5.2"),
                                GSSCredential.ACCEPT_ONLY);
                    }
                };
            gssContext = manager.createContext(Subject.doAs(lc.getSubject(), action));


            outToken = gssContext.acceptSecContext(decoded, 0, decoded.length);


            if (outToken == null) {
                if (log.isDebugEnabled()) {

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        try {
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid("1.3.6.1.5.5.2");


            GSSName gssService = gssManager.createName(serviceName, GSSName.NT_HOSTBASED_SERVICE);
            secContext = gssManager.createContext(gssService, oid, null, GSSContext.DEFAULT_LIFETIME);


            secContext.requestMutualAuth(mutualAuth);
            secContext.requestCredDeleg(Boolean.FALSE);
        
            byte[] token = new byte[0];

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        try {
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid("1.3.6.1.5.5.2");


            GSSName gssService = gssManager.createName(serviceName, GSSName.NT_HOSTBASED_SERVICE);
            secContext = gssManager.createContext(gssService, oid, null, GSSContext.DEFAULT_LIFETIME);


            return secContext.acceptSecContext(ticket, 0, ticket.length);
        } catch (GSSException e) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Error in obtaining a Kerberos token", e);

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                gssManager.createCredential(
                    gssService, GSSCredential.DEFAULT_LIFETIME, kerberos5Oid, GSSCredential.ACCEPT_ONLY
                );
            
            GSSContext secContext =
                gssManager.createContext(credentials);
            secContext.acceptSecContext(ticket, 0, ticket.length);
 
            GSSName clientName = secContext.getSrcName();
            secContext.dispose();
            return new KerberosPrincipal(clientName.toString());

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                    gssClient, GSSCredential.DEFAULT_LIFETIME, kerberos5Oid, GSSCredential.INITIATE_ONLY
                );
            
            GSSName gssService = gssManager.createName(serviceName, GSSName.NT_HOSTBASED_SERVICE);
            GSSContext secContext =
                gssManager.createContext(
                    gssService, kerberos5Oid, credentials, GSSContext.DEFAULT_LIFETIME
                );
 
            secContext.requestMutualAuth(false);
            byte[] token = new byte[0];

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        try {
            GSSManager manager = GSSManager.getInstance();
            Oid krb5Oid = new Oid("1.3.6.1.5.5.2");
            GSSName gssName = manager.createName(targetName, GSSName.NT_USER_NAME);
            GSSCredential serverCreds = manager.createCredential(gssName, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.ACCEPT_ONLY);
            GSSContext gContext = manager.createContext(serverCreds);
            if (gContext == null) {
                log.debug("Failed to create a GSSContext");
            } else {
                while (!gContext.isEstablished()) {
                    token = gContext.acceptSecContext(token, 0, token.length);

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        try
        {
            GSSName acceptorName = manager.createName(service,
                GSSName.NT_HOSTBASED_SERVICE, KRB5_OID);


            GSSContext secCtx = manager.createContext(acceptorName,
                                                      KRB5_OID,
                                                      null,
                                                      GSSContext.INDEFINITE_LIFETIME);


            secCtx.initSecContext(new byte[0], 0, 1);

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            Oid krb5Oid = new Oid(KRB5MechOID.value.substring(4));
            GSSManager gssManager = GSSManager.getInstance();
            GSSName myPeer = gssManager.createName(target, null, krb5Oid);
            if (clientCreds == null) clientCreds = gssManager.createCredential(null, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.INITIATE_ONLY);
            GSSContext myContext = gssManager.createContext(myPeer, krb5Oid, clientCreds, GSSContext.INDEFINITE_LIFETIME);
            contextToken = myContext.initSecContext(contextToken, 0, contextToken.length);
        } catch (Exception e) {
            logger.error("Error creating Kerberos context: "+e);
        }
        return contextToken;

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        try {
            Oid krb5Oid = new Oid(KRB5MechOID.value.substring(4));
            GSSManager gssManager = GSSManager.getInstance();
            if (targetCreds == null) targetCreds = gssManager.createCredential(null, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.ACCEPT_ONLY);
            validatedContext = gssManager.createContext(targetCreds);
            token = validatedContext.acceptSecContext(contextToken, 0, contextToken.length);
        } catch (GSSException e) {
            logger.error("Error accepting Kerberos context: "+e);
        }
        if (token == null) {

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