private static void requestTicket()

in kerby-tool/client-tool/src/main/java/org/apache/kerby/kerberos/tool/kinit/KinitTool.java [130:247]
101 lines of code
19 McCabe index (conditional complexity)

    private static void requestTicket(String principal, KOptions ktOptions) {
        ktOptions.add(KinitOption.CLIENT_PRINCIPAL, principal);

        File confDir = null;
        if (ktOptions.contains(KinitOption.CONF_DIR)) {
            confDir = ktOptions.getDirOption(KinitOption.CONF_DIR);
        }

        KrbClient krbClient = null;
        try {
            krbClient = getClient(confDir);
        } catch (KrbException e) {
            System.err.println("Create krbClient failed: " + e.getMessage());
            System.exit(1);
        }

        if (ktOptions.contains(KinitOption.RENEW)) {
            if (ktOptions.contains(KinitOption.KRB5_CACHE)) {
                String ccName = ktOptions.getStringOption(KinitOption.KRB5_CACHE);
                File ccFile = new File(ccName);

                SgtTicket sgtTicket = null;
                try {
                    sgtTicket = krbClient.requestSgt(ccFile, null);
                } catch (KrbException e) {
                    System.err.println("kinit: " + e.getKrbErrorCode().getMessage());
                }

                try {
                    krbClient.renewTicket(sgtTicket, ccFile);
                } catch (KrbException e) {
                    System.err.println("kinit: " + e.getKrbErrorCode().getMessage());
                }

                System.out.println("Successfully renewed.");
            }
            return;
        }

        if (ktOptions.contains(KinitOption.SERVICE) && ktOptions.contains(KinitOption.KRB5_CACHE)) {
            String ccName = ktOptions.getStringOption(KinitOption.KRB5_CACHE);
            File ccFile = new File(ccName);
            if (ccFile.exists()) {
                System.out.println("Use credential cache to request a service ticket.");
                String servicePrincipal = ktOptions.getStringOption(KinitOption.SERVICE);
                SgtTicket sgtTicket = null;
                try {
                    sgtTicket = krbClient.requestSgt(ccFile, servicePrincipal);
                } catch (KrbException e) {
                    System.err.println("Kinit: get service ticket failed: " + e.getMessage());
                    System.exit(1);
                }

                try {
                    krbClient.storeTicket(sgtTicket, ccFile);
                } catch (KrbException e) {
                    System.err.println("Kinit: store ticket failed: " + e.getMessage());
                    System.exit(1);
                }

                System.out.println(sgtTicket.getEncKdcRepPart().getSname().getName() + ": knvo = "
                    + sgtTicket.getTicket().getEncryptedEncPart().getKvno());
                return;
            }
        }

        if (ktOptions.contains(KinitOption.ANONYMOUS)) {
            ktOptions.add(PkinitOption.USE_ANONYMOUS);
            ktOptions.add(PkinitOption.X509_ANCHORS);
        } else if (!ktOptions.contains(KinitOption.USE_KEYTAB)) {
            //If not request tickets by keytab than by password.
            ktOptions.add(KinitOption.USE_PASSWD);
            String password = getPassword(principal);
            ktOptions.add(KinitOption.USER_PASSWD, password);
        }

        TgtTicket tgt = null;
        try {
            tgt = krbClient.requestTgt(convertOptions(ktOptions));
        } catch (KrbException e) {
            System.err.println("Authentication failed: " + e.getMessage());
            System.exit(1);
        }

        File ccacheFile;
        if (ktOptions.contains(KinitOption.KRB5_CACHE)) {
            String ccacheName = ktOptions.getStringOption(KinitOption.KRB5_CACHE);
            ccacheFile = new File(ccacheName);
        } else {
            String ccacheName = getCcacheName(krbClient);
            ccacheFile = new File(ccacheName);
        }

        try {
            krbClient.storeTicket(tgt, ccacheFile);
        } catch (KrbException e) {
            System.err.println("Store ticket failed: " + e.getMessage());
            System.exit(1);
        }

        System.out.println("Successfully requested and stored ticket in "
            + ccacheFile.getAbsolutePath());

        if (ktOptions.contains(KinitOption.SERVICE)) {
            System.out.println("Use tgt to request a service ticket.");
            String servicePrincipal = ktOptions.getStringOption(KinitOption.SERVICE);
            SgtTicket sgtTicket;
            try {
                sgtTicket = krbClient.requestSgt(tgt, servicePrincipal);
            } catch (KrbException e) {
                System.err.println("kinit: " + e.getKrbErrorCode().getMessage());
                return;
            }

            System.out.println(sgtTicket.getEncKdcRepPart().getSname().getName() + ": knvo = "
                + sgtTicket.getTicket().getEncryptedEncPart().getKvno());
        }
    }