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- package de.tudarmstadt.informatik.hostage.format;
- import de.tudarmstadt.informatik.hostage.commons.HelperUtils;
- /**
- * Telnet log view formatter.
- *
- * @author Wulf Pfeiffer
- */
- public class TELNETFormatter implements ProtocolFormatter {
- public String format(String packet) {
- byte[] bytes = HelperUtils.hexStringToBytes(packet);
- String options = "Options:\n" + checkForOptions(bytes) + "\n";
- String content = "Content: " + HelperUtils.byteToStr(bytes);
- return options + content;
- }
- /**
- * Checks a packet for option commands and returns their names as Strings.
- *
- * @param bytes
- * that are checked.
- * @return names of the option commands as String.
- */
- private String checkForOptions(byte[] bytes) {
- StringBuffer options = new StringBuffer();
- for (int i = 0; i < bytes.length; i++) {
- if (bytes[i] == (byte) 0xff && i + 2 < bytes.length) {
- switch (bytes[i + 1]) {
- case (byte) 0xfb:
- options.append(" WILL ");
- break;
- case (byte) 0xfc:
- options.append(" WON'T ");
- break;
- case (byte) 0xfd:
- options.append(" DO ");
- break;
- case (byte) 0xfe:
- options.append(" DON'T ");
- break;
- default:
- options.append(" unkown command ");
- break;
- }
- // option name
- switch (bytes[i + 2]) {
- case 0x00:
- options.append("Binary Transmission\n");
- break;
- case 0x01:
- options.append("Echo\n");
- break;
- case 0x02:
- options.append("Reconnection\n");
- break;
- case 0x03:
- options.append("Suppress Go Ahead\n");
- break;
- case 0x04:
- options.append("Approx Message Size Negotiation\n");
- break;
- case 0x05:
- options.append("Status\n");
- break;
- case 0x06:
- options.append("Timing Mark\n");
- break;
- case 0x07:
- options.append("Remote Controlled Trans and Echo\n");
- break;
- case 0x08:
- options.append("Output Line Width\n");
- break;
- case 0x09:
- options.append("Output Page Size\n");
- break;
- case 0x0a:
- options.append("Output Carriage-Return Disposition\n");
- break;
- case 0x0b:
- options.append("Output Horizontal Tab Stops\n");
- break;
- case 0x0c:
- options.append("Output Horizontal Tab Disposition\n");
- break;
- case 0x0d:
- options.append("Output Formfeed Disposition\n");
- break;
- case 0x0e:
- options.append("Output Vertical Tabstops\n");
- break;
- case 0x0f:
- options.append("Output Vertical Tab Disposition\n");
- break;
- case 0x10:
- options.append("Output Linefeed Disposition\n");
- break;
- case 0x11:
- options.append("Extended ASCII\n");
- break;
- case 0x12:
- options.append("Logout\n");
- break;
- case 0x13:
- options.append("Byte Macro\n");
- break;
- case 0x14:
- options.append("Data Entry Terminal\n");
- break;
- case 0x15:
- options.append("SUPDUP\n");
- break;
- case 0x16:
- options.append("SUPDUP Output\n");
- break;
- case 0x17:
- options.append("Send Location\n");
- break;
- case 0x18:
- options.append("Terminal Type\n");
- break;
- case 0x19:
- options.append("End of Record\n");
- break;
- case 0x1a:
- options.append("TACACS User Identification\n");
- break;
- case 0x1b:
- options.append("Output Marking\n");
- break;
- case 0x1c:
- options.append("Terminal Location Number\n");
- break;
- case 0x1d:
- options.append("Telnet 3270 Regime\n");
- break;
- case 0x1e:
- options.append("X.3 PAD\n");
- break;
- case 0x1f:
- options.append("Negotiate About Window Size\n");
- break;
- case 0x20:
- options.append("Terminal Speed\n");
- break;
- case 0x21:
- options.append("Remote Flow Control\n");
- break;
- case 0x22:
- options.append("Linemode\n");
- break;
- case 0x23:
- options.append("X Display Location\n");
- break;
- case (byte) 0xff:
- options.append("Extended-Options-List\n");
- break;
- default:
- options.append("unknown option\n");
- break;
- }
- }
- }
- return options.toString();
- }
- }
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