mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-22 10:30:13 +00:00
Minor cleanup of the radio logger output (packet description).
This commit is contained in:
nifi
parent
ac4ba199bc
commit
6d9f904627
@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: RadioLogger.java,v 1.34 2010/03/17 22:44:20 nifi Exp $
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* $Id: RadioLogger.java,v 1.35 2010/04/06 23:38:18 nifi Exp $
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*/
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package se.sics.cooja.plugins;
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@ -266,6 +266,7 @@ public class RadioLogger extends VisPlugin {
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prepareTooltipString(conn);
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}
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verboseBox.setText(conn.tooltip);
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verboseBox.setCaretPosition(0);
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}
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}
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});
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@ -427,12 +428,16 @@ public class RadioLogger extends VisPlugin {
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if (packet.hasMoreData()) {
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byte[] payload = packet.getPayload();
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brief.append(StringUtils.toHex(payload, 4));
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if (verbose.length() > 0) {
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verbose.append("<p>");
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}
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verbose.append("<b>Payload (")
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.append(payload.length).append(" bytes)</b><br><pre>")
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.append(StringUtils.hexDump(payload))
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.append("</pre>");
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}
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conn.data = (data.length < 10 ? " " : "") + data.length + ": " + brief;
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conn.data = (data.length < 100 ? (data.length < 10 ? " " : " ") : "")
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+ data.length + ": " + brief;
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if (verbose.length() > 0) {
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conn.tooltip = verbose.toString();
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}
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@ -450,16 +455,16 @@ public class RadioLogger extends VisPlugin {
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PacketAnalyzer analyzer = analyzers.get(i);
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if (analyzer.matchPacket(packet)) {
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int res = analyzer.analyzePacket(packet, brief, verbose);
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if (packet.hasMoreData() && brief.length() > 0) {
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brief.append('|');
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verbose.append("<br>");
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}
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if (res != PacketAnalyzer.ANALYSIS_OK_CONTINUE) {
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/* this was the final or the analysis failed - no analyzable payload possible here... */
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return brief.length() > 0;
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}
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/* continue another round if more bytes left */
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analyze = packet.hasMoreData();
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if (analyze) {
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brief.append('|');
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verbose.append("<p>");
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}
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break;
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}
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}
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@ -1,86 +1,85 @@
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package se.sics.cooja.plugins.analyzers;
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public class ICMPv6Analyzer extends PacketAnalyzer {
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public static final byte ICMPv6_DISPATCH = 58;
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public static final int ECHO_REQUEST = 128;
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public static final int ECHO_REPLY = 129;
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public static final int GROUP_QUERY = 130;
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public static final int GROUP_REPORT = 131;
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public static final int GROUP_REDUCTION = 132;
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public static final int ROUTER_SOLICITATION = 133;
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public static final int ROUTER_ADVERTISEMENT = 134;
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public static final int NEIGHBOR_SOLICITATION = 135;
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public static final int NEIGHBOR_ADVERTISEMENT = 136;
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public static final int RPL_CODE_DIS = 1; /* DIS message */
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public static final int RPL_CODE_DIO = 2; /* DIO message */
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public static final int RPL_CODE_DAO = 4;/* DAO message */
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public static final int FLAG_ROUTER = 0x80;
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public static final int FLAG_SOLICITED = 0x40;
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public static final int FLAG_OVERRIDE = 0x20;
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public static final int ON_LINK = 0x80;
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public static final int AUTOCONFIG = 0x40;
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public static final int SOURCE_LINKADDR = 1;
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public static final int TARGET_LINKADDR = 2;
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public static final int PREFIX_INFO = 3;
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public static final int MTU_INFO = 5;
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public static final String[] TYPE_NAME = new String[] {
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"ECHO_REQUEST", "ECHO_REPLY",
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"GROUP_QUERY", "GROUP_REPORT", "GROUP_REDUCTION",
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"ROUTER_SOLICITATION", "ROUTER_ADVERTISEMENT",
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"NEIGHBOR_SOLICITATION", "NEIGHBOR_ADVERTISEMENT", "REDIRECT",
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"ROUTER RENUMBER", "NODE INFORMATION QUERY", "NODE INFORMATION RESPONSE"};
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public int analyzePacket(Packet packet, StringBuffer brief,
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StringBuffer verbose) {
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int type = packet.get(0) & 0xff;
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int code = packet.get(1) & 0xff;
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int checksum = ((packet.get(2) & 0xff) << 8) | packet.get(3) & 0xff;
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brief.append("ICMPv6 ");
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if (type >= 128 && (type - 128) < TYPE_NAME.length) {
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brief.append(TYPE_NAME[type - 128]).append(" ");
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brief.append(" " + code);
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verbose.append("Type: " + TYPE_NAME[type - 128]).append("<br>");
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verbose.append("Code:" + code + "<br>");
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} else if (type == 155) {
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/* RPL */
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brief.append("RPL ");
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verbose.append("Type: RPL<br>");
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switch(code) {
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case RPL_CODE_DIS:
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brief.append("DIS ");
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verbose.append("Code: DIS<br>");
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break;
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case RPL_CODE_DIO:
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brief.append("DIO ");
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verbose.append("Code: DIO<br>");
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break;
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case RPL_CODE_DAO:
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brief.append("DAO ");
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verbose.append("Code: DAO<br>");
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break;
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default:
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brief.append(" " + code);
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verbose.append("Code: " + code);
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}
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}
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/* remove type, code, crc */
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packet.consumeBytesStart(4);
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return ANALYSIS_OK_FINAL;
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}
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@Override
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public boolean matchPacket(Packet packet) {
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return packet.level == NETWORK_LEVEL && packet.lastDispatch == ICMPv6_DISPATCH;
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}
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}
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package se.sics.cooja.plugins.analyzers;
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public class ICMPv6Analyzer extends PacketAnalyzer {
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public static final byte ICMPv6_DISPATCH = 58;
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public static final int ECHO_REQUEST = 128;
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public static final int ECHO_REPLY = 129;
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public static final int GROUP_QUERY = 130;
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public static final int GROUP_REPORT = 131;
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public static final int GROUP_REDUCTION = 132;
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public static final int ROUTER_SOLICITATION = 133;
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public static final int ROUTER_ADVERTISEMENT = 134;
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public static final int NEIGHBOR_SOLICITATION = 135;
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public static final int NEIGHBOR_ADVERTISEMENT = 136;
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public static final int RPL_CODE_DIS = 1; /* DIS message */
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public static final int RPL_CODE_DIO = 2; /* DIO message */
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public static final int RPL_CODE_DAO = 4;/* DAO message */
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public static final int FLAG_ROUTER = 0x80;
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public static final int FLAG_SOLICITED = 0x40;
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public static final int FLAG_OVERRIDE = 0x20;
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public static final int ON_LINK = 0x80;
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public static final int AUTOCONFIG = 0x40;
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public static final int SOURCE_LINKADDR = 1;
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public static final int TARGET_LINKADDR = 2;
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public static final int PREFIX_INFO = 3;
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public static final int MTU_INFO = 5;
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public static final String[] TYPE_NAME = new String[] {
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"ECHO_REQUEST", "ECHO_REPLY",
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"GROUP_QUERY", "GROUP_REPORT", "GROUP_REDUCTION",
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"ROUTER_SOLICITATION", "ROUTER_ADVERTISEMENT",
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"NEIGHBOR_SOLICITATION", "NEIGHBOR_ADVERTISEMENT", "REDIRECT",
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"ROUTER RENUMBER", "NODE INFORMATION QUERY", "NODE INFORMATION RESPONSE"};
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public int analyzePacket(Packet packet, StringBuffer brief,
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StringBuffer verbose) {
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int type = packet.get(0) & 0xff;
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int code = packet.get(1) & 0xff;
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// int checksum = ((packet.get(2) & 0xff) << 8) | packet.get(3) & 0xff;
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brief.append("ICMPv6 ");
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if (type >= 128 && (type - 128) < TYPE_NAME.length) {
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brief.append(TYPE_NAME[type - 128]).append(' ').append(code);
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verbose.append("Type: ").append(TYPE_NAME[type - 128]);
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verbose.append(" Code:").append(code);
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} else if (type == 155) {
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/* RPL */
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brief.append("RPL ");
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verbose.append("Type: RPL Code: ");
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switch(code) {
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case RPL_CODE_DIS:
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brief.append("DIS");
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verbose.append("DIS");
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break;
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case RPL_CODE_DIO:
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brief.append("DIO");
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verbose.append("DIO");
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break;
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case RPL_CODE_DAO:
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brief.append("DAO");
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verbose.append("DAO");
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break;
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default:
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brief.append(code);
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verbose.append(code);
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}
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}
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/* remove type, code, crc */
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packet.consumeBytesStart(4);
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return ANALYSIS_OK_FINAL;
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}
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@Override
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public boolean matchPacket(Packet packet) {
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return packet.level == NETWORK_LEVEL && packet.lastDispatch == ICMPv6_DISPATCH;
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}
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}
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@ -1,427 +1,427 @@
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package se.sics.cooja.plugins.analyzers;
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import se.sics.cooja.util.StringUtils;
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public class IPHCPacketAnalyzer extends PacketAnalyzer {
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public final static int SICSLOWPAN_UDP_PORT_MIN = 0xF0B0;
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public final static int SICSLOWPAN_UDP_PORT_MAX = 0xF0BF; /* F0B0 + 15 */
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public final static int SICSLOWPAN_DISPATCH_IPV6 = 0x41; /* 01000001 = 65 */
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public final static int SICSLOWPAN_DISPATCH_HC1 = 0x42; /* 01000010 = 66 */
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public final static int SICSLOWPAN_DISPATCH_IPHC = 0x60; /* 011xxxxx = ... */
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public final static int SICSLOWPAN_DISPATCH_FRAG1 = 0xc0; /* 1100= 0xxx */
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public final static int SICSLOWPAN_DISPATCH_FRAGN = 0xe0; /* 1110= 0xxx */
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/*
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* Values of fields within the IPHC encoding first byte
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* (C stands for compressed and I for inline)
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*/
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public final static int SICSLOWPAN_IPHC_TC_C = 0x10;
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public final static int SICSLOWPAN_IPHC_FL_C = 0x08;
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public final static int SICSLOWPAN_IPHC_NH_C = 0x04;
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public final static int SICSLOWPAN_IPHC_TTL_1 = 0x01;
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public final static int SICSLOWPAN_IPHC_TTL_64 = 0x02;
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public final static int SICSLOWPAN_IPHC_TTL_255 = 0x03;
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public final static int SICSLOWPAN_IPHC_TTL_I = 0x00;
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/* Values of fields within the IPHC encoding second byte */
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public final static int SICSLOWPAN_IPHC_CID = 0x80;
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public final static int SICSLOWPAN_IPHC_SAC = 0x40;
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public final static int SICSLOWPAN_IPHC_SAM_00 = 0x00;
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public final static int SICSLOWPAN_IPHC_SAM_01 = 0x10;
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public final static int SICSLOWPAN_IPHC_SAM_10 = 0x20;
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public final static int SICSLOWPAN_IPHC_SAM_11 = 0x30;
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public final static int SICSLOWPAN_IPHC_M = 0x08;
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public final static int SICSLOWPAN_IPHC_DAC = 0x04;
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public final static int SICSLOWPAN_IPHC_DAM_00 = 0x00;
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public final static int SICSLOWPAN_IPHC_DAM_01 = 0x01;
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public final static int SICSLOWPAN_IPHC_DAM_10 = 0x02;
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public final static int SICSLOWPAN_IPHC_DAM_11 = 0x03;
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private static final int SICSLOWPAN_NDC_UDP_MASK = 0xf8;
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private static final int SICSLOWPAN_NHC_UDP_ID = 0xf0;
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private static final int SICSLOWPAN_NHC_UDP_C = 0xf3;
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private static final int SICSLOWPAN_NHC_UDP_I = 0xf0;
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public final static int PROTO_UDP = 17;
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public final static int PROTO_TCP = 6;
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public final static int PROTO_ICMP = 58;
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public final static byte[] UNSPECIFIED_ADDRESS =
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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private static byte[][] addrContexts = new byte[][] {
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{(byte)0xaa, (byte)0xaa, 0, 0, 0, 0, 0, 0}
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};
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private static final int IPHC_DISPATCH = 0x60;
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public boolean matchPacket(Packet packet) {
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return (packet.get(0) & 0xe0) == IPHC_DISPATCH;
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}
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public int analyzePacket(Packet packet, StringBuffer brief,
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StringBuffer verbose) {
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/* if packet has less than 3 bytes it is not interesting ... */
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if (packet.size() < 3) return ANALYSIS_FAILED;
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int tf = (packet.get(0) >> 3) & 0x03;
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boolean nhc = (packet.get(0) & SICSLOWPAN_IPHC_NH_C) > 0;
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int hlim = (packet.get(0) & 0x03);
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int cid = (packet.get(1) >> 7) & 0x01;
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int sac = (packet.get(1) >> 6) & 0x01;
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int sam = (packet.get(1) >> 4) & 0x03;
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int m = (packet.get(1) >> 3) & 0x01;
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int dac = (packet.get(1) >> 2) & 0x01;
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int dam = packet.get(1) & 0x03;
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int sci = 0;
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int dci = 0;
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brief.append("IPHC");
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/* need to decompress while analyzing - add that later... */
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verbose.append("<b>IPHC HC-06</b><br>");
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verbose.append("tf = " + tf + " nhc = " + nhc + " hlim = " + hlim
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+ " cid = " + cid + " sac = " + sac + " sam = " + sam
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+ " MCast = " + m + " dac = " + dac + " dam = " + dam + "<br>");
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if (cid == 1) {
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verbose.append("Contexts: sci=" + (packet.get(2) >> 4) + " dci="
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+ (packet.get(2) & 0x0f) + "<br>");
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sci = packet.get(2) >> 4;
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dci = packet.get(2) & 0x0f;
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}
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int hc06_ptr = 2 + cid;
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int version = 6;
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int trafficClass = 0;
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int flowLabel = 0;
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int len = 0;
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int proto = 0;
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int ttl = 0;
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byte[] srcAddress = null;
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byte[] destAddress = null;
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int srcPort = 0;
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int destPort = 0;
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/* Traffic class and flow label */
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if((packet.get(0) & SICSLOWPAN_IPHC_FL_C) == 0) {
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/* Flow label are carried inline */
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if((packet.get(0) & SICSLOWPAN_IPHC_TC_C) == 0) {
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/* Traffic class is carried inline */
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flowLabel = packet.getInt(hc06_ptr + 1, 3);
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int tmp = packet.get(hc06_ptr);
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hc06_ptr += 4;
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/* hc06 format of tc is ECN | DSCP , original is DSCP | ECN */
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trafficClass = ((tmp >> 2) & 0x3f) | (tmp << 6) & (0x80 + 0x40);
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/* ECN rolled down two steps + lowest DSCP bits at top two bits */
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} else {
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/* highest flow label bits + ECN bits */
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int tmp = packet.get(hc06_ptr);
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trafficClass = (tmp >> 6) & 0x0f;
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flowLabel = packet.getInt(hc06_ptr + 1, 2);
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hc06_ptr += 3;
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}
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} else {
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/* Version is always 6! */
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/* Version and flow label are compressed */
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if((packet.get(0) & SICSLOWPAN_IPHC_TC_C) == 0) {
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/* Traffic class is inline */
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trafficClass =((packet.get(hc06_ptr) >> 6) & 0x03);
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trafficClass = (packet.get(hc06_ptr) << 2);
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hc06_ptr += 1;
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}
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}
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/* Next Header */
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if((packet.get(0) & SICSLOWPAN_IPHC_NH_C) == 0) {
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/* Next header is carried inline */
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proto = packet.get(hc06_ptr);
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hc06_ptr += 1;
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}
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/* Hop limit */
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switch(packet.get(0) & 0x03) {
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case SICSLOWPAN_IPHC_TTL_1:
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ttl = 1;
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break;
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case SICSLOWPAN_IPHC_TTL_64:
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ttl = 2;
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break;
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case SICSLOWPAN_IPHC_TTL_255:
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ttl = 255;
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break;
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case SICSLOWPAN_IPHC_TTL_I:
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ttl = packet.get(hc06_ptr);
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hc06_ptr += 1;
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break;
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}
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/* context based compression */
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if((packet.get(1) & SICSLOWPAN_IPHC_SAC) > 0) {
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/* Source address */
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byte[] context = null;
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if((packet.get(1) & SICSLOWPAN_IPHC_SAM_11) != SICSLOWPAN_IPHC_SAM_00) {
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context = addrContexts[sci];
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}
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switch(packet.get(1) & SICSLOWPAN_IPHC_SAM_11) {
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case SICSLOWPAN_IPHC_SAM_00:
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/* copy the unspecificed address */
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srcAddress = UNSPECIFIED_ADDRESS;
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break;
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case SICSLOWPAN_IPHC_SAM_01: /* 64 bits */
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/* copy prefix from context */
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srcAddress = new byte[16];
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System.arraycopy(context, 0, srcAddress, 0, 8);
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/* copy IID from packet */
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packet.copy(hc06_ptr, srcAddress, 8, 8);
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hc06_ptr += 8;
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break;
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case SICSLOWPAN_IPHC_SAM_10: /* 16 bits */
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/* unicast address */
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srcAddress = new byte[16];
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System.arraycopy(context, 0, srcAddress, 0, 8);
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/* copy 6 NULL bytes then 2 last bytes of IID */
|
||||
packet.copy(hc06_ptr, srcAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_11: /* 0-bits */
|
||||
/* copy prefix from context */
|
||||
srcAddress = new byte[16];
|
||||
System.arraycopy(context, 0, srcAddress, 0, 8);
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llsender, 0, srcAddress,
|
||||
16 - packet.llsender.length, packet.llsender.length);
|
||||
break;
|
||||
}
|
||||
/* end context based compression */
|
||||
} else {
|
||||
/* no compression and link local */
|
||||
switch(packet.get(1) & SICSLOWPAN_IPHC_SAM_11) {
|
||||
case SICSLOWPAN_IPHC_SAM_00: /* 128 bits */
|
||||
/* copy whole address from packet */
|
||||
srcAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, srcAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_01: /* 64 bits */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, srcAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_10: /* 16 bits */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, srcAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_11: /* 0 bits */
|
||||
/* setup link-local address */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llsender, 0, srcAddress,
|
||||
16 - packet.llsender.length, packet.llsender.length);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Destination address */
|
||||
|
||||
/* multicast compression */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_M) != 0) {
|
||||
/* context based multicast compression */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_DAC) != 0) {
|
||||
/* TODO: implement this */
|
||||
} else {
|
||||
/* non-context based multicast compression */
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_00: /* 128 bits */
|
||||
/* copy whole address from packet */
|
||||
destAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, destAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 48 bits FFXX::00XX:XXXX:XXXX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = packet.get(hc06_ptr);
|
||||
packet.copy(hc06_ptr + 1, destAddress, 11, 5);
|
||||
hc06_ptr += 6;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 32 bits FFXX::00XX:XXXX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = packet.get(hc06_ptr);
|
||||
packet.copy(hc06_ptr + 1, destAddress, 13, 3);
|
||||
hc06_ptr += 4;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 8 bits FF02::00XX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = (byte) 0x02;
|
||||
destAddress[15] = packet.get(hc06_ptr);
|
||||
hc06_ptr++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* no multicast */
|
||||
/* Context based */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_DAC) != 0) {
|
||||
byte[] context = addrContexts[dci];
|
||||
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 64 bits */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, destAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 16 bits */
|
||||
/* unicast address */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, destAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 0 bits */
|
||||
/* unicast address */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llreceiver, 0, destAddress,
|
||||
16 - packet.llreceiver.length, packet.llreceiver.length);
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
/* not context based => link local M = 0, DAC = 0 - same as SAC */
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_00: /* 128 bits */
|
||||
destAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, destAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 64 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, destAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 16 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, destAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 0 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
System.arraycopy(packet.llreceiver, 0, destAddress,
|
||||
16 - packet.llreceiver.length, packet.llreceiver.length);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Next header processing - continued */
|
||||
if(nhc) {
|
||||
/* TODO: check if this is correct in hc-06 */
|
||||
/* The next header is compressed, NHC is following */
|
||||
if((packet.get(hc06_ptr) & SICSLOWPAN_NDC_UDP_MASK) == SICSLOWPAN_NHC_UDP_ID) {
|
||||
proto = PROTO_UDP;
|
||||
switch(packet.get(hc06_ptr)) {
|
||||
case (byte) SICSLOWPAN_NHC_UDP_C:
|
||||
/* 1 byte for NHC, 1 byte for ports, 2 bytes chksum */
|
||||
srcPort = SICSLOWPAN_UDP_PORT_MIN + (packet.get(hc06_ptr + 1) >> 4);
|
||||
destPort = SICSLOWPAN_UDP_PORT_MIN + (packet.get(hc06_ptr + 1) & 0x0F);
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, hc06_ptr + 2, 2);
|
||||
// PRINTF("IPHC: Uncompressed UDP ports (4): %x, %x\n",
|
||||
// SICSLOWPAN_UDP_BUF->srcport, SICSLOWPAN_UDP_BUF->destport);
|
||||
hc06_ptr += 4;
|
||||
break;
|
||||
case (byte) SICSLOWPAN_NHC_UDP_I:
|
||||
/* 1 byte for NHC, 4 byte for ports, 2 bytes chksum */
|
||||
srcPort = packet.getInt(hc06_ptr + 1, 2);
|
||||
destPort = packet.getInt(hc06_ptr + 3, 2);
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, hc06_ptr + 5, 2);
|
||||
// PRINTF("IPHC: Uncompressed UDP ports (7): %x, %x\n",
|
||||
// SICSLOWPAN_UDP_BUF->srcport, SICSLOWPAN_UDP_BUF->destport);
|
||||
|
||||
hc06_ptr += 7;
|
||||
break;
|
||||
default:
|
||||
// PRINTF("sicslowpan uncompress_hdr: error unsupported UDP compression\n");
|
||||
return ANALYSIS_FAILED;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
packet.pos += hc06_ptr;
|
||||
|
||||
// /* IP length field. */
|
||||
// if(ip_len == 0) {
|
||||
// /* This is not a fragmented packet */
|
||||
// SICSLOWPAN_IP_BUF->len[0] = 0;
|
||||
// SICSLOWPAN_IP_BUF->len[1] = packetbuf_datalen() - rime_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
|
||||
// } else {
|
||||
// /* This is a 1st fragment */
|
||||
// SICSLOWPAN_IP_BUF->len[0] = (ip_len - UIP_IPH_LEN) >> 8;
|
||||
// SICSLOWPAN_IP_BUF->len[1] = (ip_len - UIP_IPH_LEN) & 0x00FF;
|
||||
// }
|
||||
|
||||
// /* length field in UDP header */
|
||||
// if(SICSLOWPAN_IP_BUF->proto == UIP_PROTO_UDP) {
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udplen, ipBuf + len[0], 2);
|
||||
// }
|
||||
|
||||
/*--------------------------------------------- */
|
||||
|
||||
String protoStr = "" + proto;
|
||||
if (proto == PROTO_ICMP) {
|
||||
protoStr = "ICMPv6";
|
||||
} else if (proto == PROTO_UDP) protoStr = "UDP";
|
||||
else if (proto == PROTO_TCP) protoStr = "TCP";
|
||||
|
||||
verbose.append("<br><b>IPv6 ").append(protoStr).append("</b><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(":");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
package se.sics.cooja.plugins.analyzers;
|
||||
|
||||
import se.sics.cooja.util.StringUtils;
|
||||
|
||||
public class IPHCPacketAnalyzer extends PacketAnalyzer {
|
||||
|
||||
public final static int SICSLOWPAN_UDP_PORT_MIN = 0xF0B0;
|
||||
public final static int SICSLOWPAN_UDP_PORT_MAX = 0xF0BF; /* F0B0 + 15 */
|
||||
|
||||
public final static int SICSLOWPAN_DISPATCH_IPV6 = 0x41; /* 01000001 = 65 */
|
||||
public final static int SICSLOWPAN_DISPATCH_HC1 = 0x42; /* 01000010 = 66 */
|
||||
public final static int SICSLOWPAN_DISPATCH_IPHC = 0x60; /* 011xxxxx = ... */
|
||||
public final static int SICSLOWPAN_DISPATCH_FRAG1 = 0xc0; /* 1100= 0xxx */
|
||||
public final static int SICSLOWPAN_DISPATCH_FRAGN = 0xe0; /* 1110= 0xxx */
|
||||
|
||||
/*
|
||||
* Values of fields within the IPHC encoding first byte
|
||||
* (C stands for compressed and I for inline)
|
||||
*/
|
||||
public final static int SICSLOWPAN_IPHC_TC_C = 0x10;
|
||||
public final static int SICSLOWPAN_IPHC_FL_C = 0x08;
|
||||
public final static int SICSLOWPAN_IPHC_NH_C = 0x04;
|
||||
public final static int SICSLOWPAN_IPHC_TTL_1 = 0x01;
|
||||
public final static int SICSLOWPAN_IPHC_TTL_64 = 0x02;
|
||||
public final static int SICSLOWPAN_IPHC_TTL_255 = 0x03;
|
||||
public final static int SICSLOWPAN_IPHC_TTL_I = 0x00;
|
||||
|
||||
|
||||
/* Values of fields within the IPHC encoding second byte */
|
||||
public final static int SICSLOWPAN_IPHC_CID = 0x80;
|
||||
|
||||
public final static int SICSLOWPAN_IPHC_SAC = 0x40;
|
||||
public final static int SICSLOWPAN_IPHC_SAM_00 = 0x00;
|
||||
public final static int SICSLOWPAN_IPHC_SAM_01 = 0x10;
|
||||
public final static int SICSLOWPAN_IPHC_SAM_10 = 0x20;
|
||||
public final static int SICSLOWPAN_IPHC_SAM_11 = 0x30;
|
||||
|
||||
public final static int SICSLOWPAN_IPHC_M = 0x08;
|
||||
public final static int SICSLOWPAN_IPHC_DAC = 0x04;
|
||||
public final static int SICSLOWPAN_IPHC_DAM_00 = 0x00;
|
||||
public final static int SICSLOWPAN_IPHC_DAM_01 = 0x01;
|
||||
public final static int SICSLOWPAN_IPHC_DAM_10 = 0x02;
|
||||
public final static int SICSLOWPAN_IPHC_DAM_11 = 0x03;
|
||||
|
||||
private static final int SICSLOWPAN_NDC_UDP_MASK = 0xf8;
|
||||
private static final int SICSLOWPAN_NHC_UDP_ID = 0xf0;
|
||||
private static final int SICSLOWPAN_NHC_UDP_C = 0xf3;
|
||||
private static final int SICSLOWPAN_NHC_UDP_I = 0xf0;
|
||||
|
||||
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 byte[][] addrContexts = new byte[][] {
|
||||
{(byte)0xaa, (byte)0xaa, 0, 0, 0, 0, 0, 0}
|
||||
};
|
||||
|
||||
private static final int IPHC_DISPATCH = 0x60;
|
||||
|
||||
public boolean matchPacket(Packet packet) {
|
||||
return (packet.get(0) & 0xe0) == IPHC_DISPATCH;
|
||||
}
|
||||
|
||||
public int analyzePacket(Packet packet, StringBuffer brief,
|
||||
StringBuffer verbose) {
|
||||
|
||||
/* if packet has less than 3 bytes it is not interesting ... */
|
||||
if (packet.size() < 3) return ANALYSIS_FAILED;
|
||||
|
||||
int tf = (packet.get(0) >> 3) & 0x03;
|
||||
boolean nhc = (packet.get(0) & SICSLOWPAN_IPHC_NH_C) > 0;
|
||||
int hlim = (packet.get(0) & 0x03);
|
||||
int cid = (packet.get(1) >> 7) & 0x01;
|
||||
int sac = (packet.get(1) >> 6) & 0x01;
|
||||
int sam = (packet.get(1) >> 4) & 0x03;
|
||||
int m = (packet.get(1) >> 3) & 0x01;
|
||||
int dac = (packet.get(1) >> 2) & 0x01;
|
||||
int dam = packet.get(1) & 0x03;
|
||||
int sci = 0;
|
||||
int dci = 0;
|
||||
|
||||
brief.append("IPHC");
|
||||
|
||||
/* need to decompress while analyzing - add that later... */
|
||||
|
||||
verbose.append("<b>IPHC HC-06</b><br>");
|
||||
verbose.append("tf = " + tf + " nhc = " + nhc + " hlim = " + hlim
|
||||
+ " cid = " + cid + " sac = " + sac + " sam = " + sam
|
||||
+ " MCast = " + m + " dac = " + dac + " dam = " + dam);
|
||||
if (cid == 1) {
|
||||
verbose.append("<br>Contexts: sci=" + (packet.get(2) >> 4) + " dci="
|
||||
+ (packet.get(2) & 0x0f));
|
||||
sci = packet.get(2) >> 4;
|
||||
dci = packet.get(2) & 0x0f;
|
||||
}
|
||||
|
||||
int hc06_ptr = 2 + cid;
|
||||
|
||||
int version = 6;
|
||||
int trafficClass = 0;
|
||||
int flowLabel = 0;
|
||||
int len = 0;
|
||||
int proto = 0;
|
||||
int ttl = 0;
|
||||
byte[] srcAddress = null;
|
||||
byte[] destAddress = null;
|
||||
|
||||
int srcPort = 0;
|
||||
int destPort = 0;
|
||||
|
||||
/* Traffic class and flow label */
|
||||
if((packet.get(0) & SICSLOWPAN_IPHC_FL_C) == 0) {
|
||||
/* Flow label are carried inline */
|
||||
if((packet.get(0) & SICSLOWPAN_IPHC_TC_C) == 0) {
|
||||
/* Traffic class is carried inline */
|
||||
flowLabel = packet.getInt(hc06_ptr + 1, 3);
|
||||
int tmp = packet.get(hc06_ptr);
|
||||
hc06_ptr += 4;
|
||||
/* hc06 format of tc is ECN | DSCP , original is DSCP | ECN */
|
||||
trafficClass = ((tmp >> 2) & 0x3f) | (tmp << 6) & (0x80 + 0x40);
|
||||
/* ECN rolled down two steps + lowest DSCP bits at top two bits */
|
||||
} else {
|
||||
/* highest flow label bits + ECN bits */
|
||||
int tmp = packet.get(hc06_ptr);
|
||||
trafficClass = (tmp >> 6) & 0x0f;
|
||||
flowLabel = packet.getInt(hc06_ptr + 1, 2);
|
||||
hc06_ptr += 3;
|
||||
}
|
||||
} else {
|
||||
/* Version is always 6! */
|
||||
/* Version and flow label are compressed */
|
||||
if((packet.get(0) & SICSLOWPAN_IPHC_TC_C) == 0) {
|
||||
/* Traffic class is inline */
|
||||
trafficClass =((packet.get(hc06_ptr) >> 6) & 0x03);
|
||||
trafficClass = (packet.get(hc06_ptr) << 2);
|
||||
hc06_ptr += 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Next Header */
|
||||
if((packet.get(0) & SICSLOWPAN_IPHC_NH_C) == 0) {
|
||||
/* Next header is carried inline */
|
||||
proto = packet.get(hc06_ptr);
|
||||
hc06_ptr += 1;
|
||||
}
|
||||
|
||||
/* Hop limit */
|
||||
switch(packet.get(0) & 0x03) {
|
||||
case SICSLOWPAN_IPHC_TTL_1:
|
||||
ttl = 1;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_TTL_64:
|
||||
ttl = 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_TTL_255:
|
||||
ttl = 255;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_TTL_I:
|
||||
ttl = packet.get(hc06_ptr);
|
||||
hc06_ptr += 1;
|
||||
break;
|
||||
}
|
||||
|
||||
/* context based compression */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_SAC) > 0) {
|
||||
/* Source address */
|
||||
byte[] context = null;
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_SAM_11) != SICSLOWPAN_IPHC_SAM_00) {
|
||||
context = addrContexts[sci];
|
||||
}
|
||||
|
||||
switch(packet.get(1) & SICSLOWPAN_IPHC_SAM_11) {
|
||||
case SICSLOWPAN_IPHC_SAM_00:
|
||||
/* copy the unspecificed address */
|
||||
srcAddress = UNSPECIFIED_ADDRESS;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_01: /* 64 bits */
|
||||
/* copy prefix from context */
|
||||
srcAddress = new byte[16];
|
||||
System.arraycopy(context, 0, srcAddress, 0, 8);
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, srcAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_10: /* 16 bits */
|
||||
/* unicast address */
|
||||
srcAddress = new byte[16];
|
||||
System.arraycopy(context, 0, srcAddress, 0, 8);
|
||||
/* copy 6 NULL bytes then 2 last bytes of IID */
|
||||
packet.copy(hc06_ptr, srcAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_11: /* 0-bits */
|
||||
/* copy prefix from context */
|
||||
srcAddress = new byte[16];
|
||||
System.arraycopy(context, 0, srcAddress, 0, 8);
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llsender, 0, srcAddress,
|
||||
16 - packet.llsender.length, packet.llsender.length);
|
||||
break;
|
||||
}
|
||||
/* end context based compression */
|
||||
} else {
|
||||
/* no compression and link local */
|
||||
switch(packet.get(1) & SICSLOWPAN_IPHC_SAM_11) {
|
||||
case SICSLOWPAN_IPHC_SAM_00: /* 128 bits */
|
||||
/* copy whole address from packet */
|
||||
srcAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, srcAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_01: /* 64 bits */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, srcAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_10: /* 16 bits */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, srcAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_SAM_11: /* 0 bits */
|
||||
/* setup link-local address */
|
||||
srcAddress = new byte[16];
|
||||
srcAddress[0] = (byte) 0xfe;
|
||||
srcAddress[1] = (byte) 0x80;
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llsender, 0, srcAddress,
|
||||
16 - packet.llsender.length, packet.llsender.length);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Destination address */
|
||||
|
||||
/* multicast compression */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_M) != 0) {
|
||||
/* context based multicast compression */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_DAC) != 0) {
|
||||
/* TODO: implement this */
|
||||
} else {
|
||||
/* non-context based multicast compression */
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_00: /* 128 bits */
|
||||
/* copy whole address from packet */
|
||||
destAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, destAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 48 bits FFXX::00XX:XXXX:XXXX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = packet.get(hc06_ptr);
|
||||
packet.copy(hc06_ptr + 1, destAddress, 11, 5);
|
||||
hc06_ptr += 6;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 32 bits FFXX::00XX:XXXX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = packet.get(hc06_ptr);
|
||||
packet.copy(hc06_ptr + 1, destAddress, 13, 3);
|
||||
hc06_ptr += 4;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 8 bits FF02::00XX */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xff;
|
||||
destAddress[1] = (byte) 0x02;
|
||||
destAddress[15] = packet.get(hc06_ptr);
|
||||
hc06_ptr++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* no multicast */
|
||||
/* Context based */
|
||||
if((packet.get(1) & SICSLOWPAN_IPHC_DAC) != 0) {
|
||||
byte[] context = addrContexts[dci];
|
||||
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 64 bits */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, destAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 16 bits */
|
||||
/* unicast address */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* copy IID from packet */
|
||||
packet.copy(hc06_ptr, destAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 0 bits */
|
||||
/* unicast address */
|
||||
destAddress = new byte[16];
|
||||
System.arraycopy(context, 0, destAddress, 0, 8);
|
||||
/* infer IID from L2 address */
|
||||
System.arraycopy(packet.llreceiver, 0, destAddress,
|
||||
16 - packet.llreceiver.length, packet.llreceiver.length);
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
/* not context based => link local M = 0, DAC = 0 - same as SAC */
|
||||
switch (packet.get(1) & SICSLOWPAN_IPHC_DAM_11) {
|
||||
case SICSLOWPAN_IPHC_DAM_00: /* 128 bits */
|
||||
destAddress = new byte[16];
|
||||
packet.copy(hc06_ptr, destAddress, 0, 16);
|
||||
hc06_ptr += 16;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_01: /* 64 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, destAddress, 8, 8);
|
||||
hc06_ptr += 8;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_10: /* 16 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
packet.copy(hc06_ptr, destAddress, 14, 2);
|
||||
hc06_ptr += 2;
|
||||
break;
|
||||
case SICSLOWPAN_IPHC_DAM_11: /* 0 bits */
|
||||
destAddress = new byte[16];
|
||||
destAddress[0] = (byte) 0xfe;
|
||||
destAddress[1] = (byte) 0x80;
|
||||
System.arraycopy(packet.llreceiver, 0, destAddress,
|
||||
16 - packet.llreceiver.length, packet.llreceiver.length);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Next header processing - continued */
|
||||
if(nhc) {
|
||||
/* TODO: check if this is correct in hc-06 */
|
||||
/* The next header is compressed, NHC is following */
|
||||
if((packet.get(hc06_ptr) & SICSLOWPAN_NDC_UDP_MASK) == SICSLOWPAN_NHC_UDP_ID) {
|
||||
proto = PROTO_UDP;
|
||||
switch(packet.get(hc06_ptr)) {
|
||||
case (byte) SICSLOWPAN_NHC_UDP_C:
|
||||
/* 1 byte for NHC, 1 byte for ports, 2 bytes chksum */
|
||||
srcPort = SICSLOWPAN_UDP_PORT_MIN + (packet.get(hc06_ptr + 1) >> 4);
|
||||
destPort = SICSLOWPAN_UDP_PORT_MIN + (packet.get(hc06_ptr + 1) & 0x0F);
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, hc06_ptr + 2, 2);
|
||||
// PRINTF("IPHC: Uncompressed UDP ports (4): %x, %x\n",
|
||||
// SICSLOWPAN_UDP_BUF->srcport, SICSLOWPAN_UDP_BUF->destport);
|
||||
hc06_ptr += 4;
|
||||
break;
|
||||
case (byte) SICSLOWPAN_NHC_UDP_I:
|
||||
/* 1 byte for NHC, 4 byte for ports, 2 bytes chksum */
|
||||
srcPort = packet.getInt(hc06_ptr + 1, 2);
|
||||
destPort = packet.getInt(hc06_ptr + 3, 2);
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, hc06_ptr + 5, 2);
|
||||
// PRINTF("IPHC: Uncompressed UDP ports (7): %x, %x\n",
|
||||
// SICSLOWPAN_UDP_BUF->srcport, SICSLOWPAN_UDP_BUF->destport);
|
||||
|
||||
hc06_ptr += 7;
|
||||
break;
|
||||
default:
|
||||
// PRINTF("sicslowpan uncompress_hdr: error unsupported UDP compression\n");
|
||||
return ANALYSIS_FAILED;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
packet.pos += hc06_ptr;
|
||||
|
||||
// /* IP length field. */
|
||||
// if(ip_len == 0) {
|
||||
// /* This is not a fragmented packet */
|
||||
// SICSLOWPAN_IP_BUF->len[0] = 0;
|
||||
// SICSLOWPAN_IP_BUF->len[1] = packetbuf_datalen() - rime_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
|
||||
// } else {
|
||||
// /* This is a 1st fragment */
|
||||
// SICSLOWPAN_IP_BUF->len[0] = (ip_len - UIP_IPH_LEN) >> 8;
|
||||
// SICSLOWPAN_IP_BUF->len[1] = (ip_len - UIP_IPH_LEN) & 0x00FF;
|
||||
// }
|
||||
|
||||
// /* length field in UDP header */
|
||||
// if(SICSLOWPAN_IP_BUF->proto == UIP_PROTO_UDP) {
|
||||
// memcpy(&SICSLOWPAN_UDP_BUF->udplen, ipBuf + len[0], 2);
|
||||
// }
|
||||
|
||||
/*--------------------------------------------- */
|
||||
|
||||
String protoStr = "" + proto;
|
||||
if (proto == PROTO_ICMP) {
|
||||
protoStr = "ICMPv6";
|
||||
} else if (proto == PROTO_UDP) protoStr = "UDP";
|
||||
else if (proto == PROTO_TCP) protoStr = "TCP";
|
||||
|
||||
verbose.append("<br><b>IPv6 ").append(protoStr).append("</b><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(":");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user