String toStringWithRcode(int newrcode) { StringBuffer sb = new StringBuffer(); sb.append(";; ->>HEADER<<- "); sb.append("opcode: " + Opcode.string(getOpcode())); sb.append(", status: " + Rcode.string(newrcode)); sb.append(", id: " + getID()); sb.append("\n"); sb.append(";; flags: " + printFlags()); sb.append("; "); for (int i = 0; i < 4; i++) sb.append(Section.string(i) + ": " + getCount(i) + " "); return sb.toString(); }
String toStringWithRcode(int newrcode) { StringBuffer sb = new StringBuffer(); sb.append(";; ->>HEADER<<- "); sb.append("opcode: " + Opcode.string(getOpcode())); sb.append(", status: " + Rcode.string(newrcode)); sb.append(", id: " + getID()); sb.append("\n"); sb.append(";; flags: " + printFlags()); sb.append("; "); for (int i = 0; i < 4; i++) sb.append(Section.string(i) + ": " + getCount(i) + " "); return sb.toString(); }
String toStringWithRcode(int newrcode) { StringBuffer sb = new StringBuffer(); sb.append(";; ->>HEADER<<- "); sb.append("opcode: " + Opcode.string(getOpcode())); sb.append(", status: " + Rcode.string(newrcode)); sb.append(", id: " + getID()); sb.append("\n"); sb.append(";; flags: " + printFlags()); sb.append("; "); for (int i = 0; i < 4; i++) sb.append(Section.string(i) + ": " + getCount(i) + " "); return sb.toString(); }
String toStringWithRcode(int newrcode) { StringBuffer sb = new StringBuffer(); sb.append(";; ->>HEADER<<- "); sb.append("opcode: " + Opcode.string(getOpcode())); sb.append(", status: " + Rcode.string(newrcode)); sb.append(", id: " + getID()); sb.append("\n"); sb.append(";; flags: " + printFlags()); sb.append("; "); for (int i = 0; i < 4; i++) sb.append(Section.string(i) + ": " + getCount(i) + " "); return sb.toString(); }
@Override protected void processPacketPayload(Packet packet, byte[] payload) { String protocol = (String)packet.get(Packet.PROTOCOL); if (!PcapReader.PROTOCOL_UDP.equals(protocol) && !PcapReader.PROTOCOL_TCP.equals(protocol)) return; DnsPacket dnsPacket = (DnsPacket)packet; if (DNS_PORT == (Integer)packet.get(Packet.SRC_PORT) || DNS_PORT == (Integer)packet.get(Packet.DST_PORT)) { if (PROTOCOL_TCP.equals(protocol) && payload.length > 2) // TODO Support DNS responses with multiple messages (as used for XFRs) payload = Arrays.copyOfRange(payload, 2, payload.length); // First two bytes denote the size of the DNS message, ignore them try { Message msg = new Message(payload); Header header = msg.getHeader(); dnsPacket.put(DnsPacket.QUERYID, header.getID()); dnsPacket.put(DnsPacket.FLAGS, header.printFlags()); dnsPacket.put(DnsPacket.QR, header.getFlag(Flags.QR)); dnsPacket.put(DnsPacket.OPCODE, Opcode.string(header.getOpcode())); dnsPacket.put(DnsPacket.RCODE, Rcode.string(header.getRcode())); dnsPacket.put(DnsPacket.QUESTION, convertRecordToString(msg.getQuestion())); dnsPacket.put(DnsPacket.QNAME, convertRecordOwnerToString(msg.getQuestion())); dnsPacket.put(DnsPacket.QTYPE, convertRecordTypeToInt(msg.getQuestion())); dnsPacket.put(DnsPacket.ANSWER, convertRecordsToStrings(msg.getSectionArray(Section.ANSWER))); dnsPacket.put(DnsPacket.AUTHORITY, convertRecordsToStrings(msg.getSectionArray(Section.AUTHORITY))); dnsPacket.put(DnsPacket.ADDITIONAL, convertRecordsToStrings(msg.getSectionArray(Section.ADDITIONAL))); } catch (Exception e) { // If we cannot decode a DNS packet we ignore it } } }