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}

    Subject.doAs(subject, new PrivilegedAction<GSSContext>() {
      public GSSContext run() {
        try {
          GSSManager gssManager = null;
          gssManager = GSSManager.getInstance();
          gssContext = gssManager.createContext((GSSCredential) null);
          byte[] token = ks.getToken();
          gssContext.acceptSecContext(token, 0, token.length);
          return gssContext;
        } catch (GSSException e) {
          e.printStackTrace();

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          GSSManager manager = GSSManager.getInstance();
          Oid krb5Oid = new Oid("1.2.840.113554.1.2.2");
          Oid krb5PrincipalNameType = new Oid("1.2.840.113554.1.2.2.1");
          GSSName serverName = manager.createName(servicePrincipalName,
              krb5PrincipalNameType);
          final GSSContext context = manager.createContext(serverName, krb5Oid, null, 0);
          byte[] token = new byte[0];
          context.requestMutualAuth(false);
          context.requestCredDeleg(false);
          return context.initSecContext(token, 0, token.length);
        } catch (GSSException e) {

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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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            subject = service.authenticate(getResources().getLogin(), getResources().getPassword());
        } else {
            GSSManager manager = GSSManager.getInstance();
            GSSCredential clientCred = manager.createCredential(GSSCredential.INITIATE_ONLY);
            GSSName peerName = manager.createName("WFServer", null);
            GSSContext context = manager.createContext(peerName, (Oid) null, clientCred, GSSContext.DEFAULT_LIFETIME);
            context.requestMutualAuth(false);


            byte[] token = new byte[0];
            token = context.initSecContext(token, 0, token.length);
            subject = service.authenticate(token);

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            subject = service.authenticate(getResources().getLogin(), getResources().getPassword());
        } else {
            GSSManager manager = GSSManager.getInstance();
            GSSCredential clientCred = manager.createCredential(GSSCredential.INITIATE_ONLY);
            GSSName peerName = manager.createName("WFServer", null);
            GSSContext context = manager.createContext(peerName, (Oid) null, clientCred, GSSContext.DEFAULT_LIFETIME);
            context.requestMutualAuth(false);


            byte[] token = new byte[0];
            token = context.initSecContext(token, 0, token.length);
            subject = service.authenticate(token);

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        if (token == null) {
            token = new byte[0];
        }
        final GSSManager manager = getManager();
        final GSSName serverName = manager.createName("HTTP@" + authServer, GSSName.NT_HOSTBASED_SERVICE);
        final GSSContext gssContext = manager.createContext(
                serverName.canonicalize(oid), oid, null, GSSContext.DEFAULT_LIFETIME);
        gssContext.requestMutualAuth(true);
        gssContext.requestCredDeleg(true);
        return gssContext.initSecContext(token, 0, token.length);
    }

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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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        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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                    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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