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Code Issues Projects Releases Wiki Activity

added analyzer for raw IPv6

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This commit is contained in:
Joakim Eriksson 2011-09-02 16:19:50 +02:00
parent bd951031ef
commit c773920d6e
2 changed files with 84 additions and 0 deletions
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3
tools/cooja/java/se/sics/cooja/plugins/RadioLogger.java
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@ -88,6 +88,7 @@ import se.sics.cooja.interfaces.Radio;
import se.sics.cooja.plugins.analyzers.ICMPv6Analyzer;
import se.sics.cooja.plugins.analyzers.IEEE802154Analyzer;
import se.sics.cooja.plugins.analyzers.IPHCPacketAnalyzer;
import se.sics.cooja.plugins.analyzers.IPv6PacketAnalyzer;
import se.sics.cooja.plugins.analyzers.PacketAnalyzer;
import se.sics.cooja.plugins.analyzers.RadioLoggerAnalyzerSuite;
import se.sics.cooja.util.StringUtils;
@ -142,11 +143,13 @@ public class RadioLogger extends VisPlugin {
ArrayList<PacketAnalyzer> lowpanAnalyzers = new ArrayList<PacketAnalyzer>();
lowpanAnalyzers.add(new IEEE802154Analyzer(false));
lowpanAnalyzers.add(new IPHCPacketAnalyzer());
lowpanAnalyzers.add(new IPv6PacketAnalyzer());
lowpanAnalyzers.add(new ICMPv6Analyzer());
ArrayList<PacketAnalyzer> lowpanAnalyzersPcap = new ArrayList<PacketAnalyzer>();
lowpanAnalyzersPcap.add(new IEEE802154Analyzer(true));
lowpanAnalyzersPcap.add(new IPHCPacketAnalyzer());
lowpanAnalyzersPcap.add(new IPv6PacketAnalyzer());
lowpanAnalyzersPcap.add(new ICMPv6Analyzer());
model = new AbstractTableModel() {

81
tools/cooja/java/se/sics/cooja/plugins/analyzers/IPv6PacketAnalyzer.java Normal file
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@ -0,0 +1,81 @@
package se.sics.cooja.plugins.analyzers;
import se.sics.cooja.util.StringUtils;
public class IPv6PacketAnalyzer extends PacketAnalyzer {
public final static int PROTO_UDP = 17;
public final static int PROTO_TCP = 6;
public final static int PROTO_ICMP = 58;
public final static byte[] UNSPECIFIED_ADDRESS =
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
private static final int IPV6_DISPATCH = 0x41;
public boolean matchPacket(Packet packet) {
return packet.get(0) == IPV6_DISPATCH;
}
public int analyzePacket(Packet packet, StringBuffer brief,
StringBuffer verbose) {
/* if packet has less than 40 bytes it is not interesting ... */
if (packet.size() < 40) return ANALYSIS_FAILED;
brief.append("IPv6");
/* need to decompress while analyzing - add that later... */
verbose.append("<b>IPv6</b><br>");
int pos = 1;
int version = 6;
int trafficClass = 0;
int flowLabel = 0;
int len = packet.getInt(pos + 4, 2);
int proto = packet.getInt(pos + 6, 1);
int ttl = packet.getInt(pos + 7, 1);
byte[] srcAddress = new byte[16];
byte[] destAddress = new byte[16];
packet.copy(pos + 8, srcAddress, 0, 16);
packet.copy(pos + 24, destAddress, 0, 16);
String protoStr = "" + proto;
if (proto == PROTO_ICMP) {
protoStr = "ICMPv6";
} else if (proto == PROTO_UDP) protoStr = "UDP";
else if (proto == PROTO_TCP) protoStr = "TCP";
/* consume dispatch + IP header */
packet.pos += 41;
verbose.append("<br><b>IPv6 ").append(protoStr).append("</b> TC = " + trafficClass +
" FL: " + flowLabel + "<br>");
verbose.append("From ");
printAddress(verbose, srcAddress);
verbose.append(" to ");
printAddress(verbose, destAddress);
packet.lastDispatch = (byte) (proto & 0xff);
packet.level = NETWORK_LEVEL;
return ANALYSIS_OK_CONTINUE;
}
public static void printAddress(StringBuffer out, byte[] address) {
for (int i = 0; i < 16; i+=2) {
out.append(StringUtils.toHex((byte) (address[i] & 0xff)) +
StringUtils.toHex((byte) (address[i + 1] & 0xff)));
if (i < 14) {
out.append(":");
}
}
}
}