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customnetpdl.xml
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customnetpdl.xml
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<?xml version="1.0" encoding="utf-8"?>
<netpdl name="nbee.org NetPDL Database" version="0.9" creator="nbee.org" date="09-04-2007">
<protocol name="startproto" longname="Starting Protocol (used for beginning the parsing)" showsumtemplate="startproto">
<execute-code>
<init>
<!-- Alias list -->
<!-- Please do not change these values, since these are used inside the NetBee code -->
<alias name="%NOTFOUND" replacewith="0"/>
<alias name="%FOUND" replacewith="1"/>
<alias name="%CANDIDATE" replacewith="2"/>
<alias name="%DEFERRED" replacewith="3"/>
<!-- NetPDL default variables -->
<variable name="$linklayer" type="number" validity="static"/>
<variable name="$framelength" type="number" validity="thispacket"/>
<variable name="$packetlength" type="number" validity="thispacket"/>
<variable name="$currentoffset" type="number" validity="thispacket"/>
<variable name="$currentprotooffset" type="number" validity="thispacket"/>
<variable name="$timestamp_sec" type="number" validity="thispacket"/>
<variable name="$timestamp_usec" type="number" validity="thispacket"/>
<variable name="$packet" type="refbuffer" validity="thispacket"/>
<variable name="$prevproto" type="protocol" validity="thispacket"/>
<variable name="$nextproto" type="protocol" validity="thispacket"/>
<variable name="$protoverify_result" type="number" validity="thispacket"/>
<!-- Variables for tokenXXX fields; these are updated after each field (of the proper type), so we do not have to reset them at each packet -->
<variable name="$token_begintlen" type="number" validity="static"/>
<variable name="$token_fieldlen" type="number" validity="static"/>
<variable name="$token_endtlen" type="number" validity="static"/>
<!-- Required configuration variables (usually used for selecting some optional functions in the code) -->
<variable name="$show_networknames" type="number" validity="static"/>
<variable name="$enable_servertable" type="number" validity="static" value="0"/>
<!-- Variables required for L4-L7 processing -->
<variable name="$ipsrc" type="refbuffer" validity="thispacket"/>
<variable name="$ipdst" type="refbuffer" validity="thispacket"/>
<variable name="$L4proto" type="protocol" validity="thispacket"/>
<variable name="$portsrc" type="refbuffer" validity="thispacket"/>
<variable name="$portdst" type="refbuffer" validity="thispacket"/>
<variable name="$firstip" type="refbuffer" validity="thispacket"/>
<variable name="$secondip" type="refbuffer" validity="thispacket"/>
<variable name="$firstport" type="refbuffer" validity="thispacket"/>
<variable name="$secondport" type="refbuffer" validity="thispacket"/>
<variable name="$type" type="number" validity="thispacket"/>
<variable name="$proc" type="number" validity="thispacket"/>
<variable name="$payloadlength" type="number" validity="thispacket" value="0"/>
<variable name="$sess_table_hit" type="number" validity="thispacket" value="0"/>
<variable name="$ks_table_hit" type="number" validity="thispacket" value="0"/>
<variable name="$session_hit" type="number" validity="thispacket" value="0"/>
<!-- Lookup tables for L7 processing -->
<lookuptable name="$tcpsessiontable" exactentries="50000" maskentries="1000" validity="dynamic">
<key name="ipsource" type="buffer" size="16"/>
<key name="ipdest" type="buffer" size="16"/>
<key name="tcpsrcport" type="buffer" size="2"/>
<key name="tcpdstport" type="buffer" size="2"/>
<data name="nextproto" type="protocol"/>
<data name="flag" type="number"/>
</lookuptable>
<lookuptable name="$udpsessiontable" exactentries="10000" maskentries="1000" validity="dynamic">
<key name="ipsource" type="buffer" size="16"/>
<key name="ipdest" type="buffer" size="16"/>
<key name="tcpsrcport" type="buffer" size="2"/>
<key name="tcpdstport" type="buffer" size="2"/>
<data name="nextproto" type="protocol"/>
</lookuptable>
<lookuptable name="$rtptable" exactentries="1000" maskentries="0" validity="dynamic">
<key name="ipsource" type="buffer" size="16"/>
<key name="ipdest" type="buffer" size="16"/>
<key name="srcport" type="buffer" size="2"/>
<key name="dstport" type="buffer" size="2"/>
<data name="ssrc" type="buffer" size="4"/>
</lookuptable>
<lookuptable name="$KnownServerTable" exactentries="10000" maskentries="0" validity="dynamic">
<key name="ipaddr" type="buffer" size="16"/>
<key name="port" type="buffer" size="2"/>
<data name="nextproto" type="protocol"/>
</lookuptable>
<lookuptable name="$CandidateServersTable" exactentries="10000" maskentries="0" validity="dynamic">
<key name="ipaddr" type="buffer" size="16"/>
<key name="port" type="buffer" size="2"/>
</lookuptable>
<lookuptable name="$KnownUDPServerTable" exactentries="10000" maskentries="0" validity="dynamic">
<key name="ipaddr" type="buffer" size="16"/>
<key name="port" type="buffer" size="2"/>
<data name="nextproto" type="protocol"/>
</lookuptable>
<lookuptable name="$skypetempsessiontable" exactentries="10000" maskentries="0" validity="dynamic">
<key name="ipaddr" type="buffer" size="16"/>
<key name="port" type="buffer" size="2"/>
<data name="cnt" type="number" value="0"/>
<data name="id" type="buffer" size="2"/>
</lookuptable>
<lookuptable name="$SkypeClientTable" exactentries="10000" maskentries="0" validity="dynamic">
<key name="ipaddr" type="buffer" size="16"/>
<key name="port" type="buffer" size="2"/>
<data name="nextproto" type="protocol"/>
</lookuptable>
<lookuptable name="$unknownprotosessiontable" exactentries="50000" maskentries="0" validity="dynamic">
<key name="ipsource" type="buffer" size="16"/>
<key name="ipdest" type="buffer" size="16"/>
<key name="tcpsrcport" type="buffer" size="2"/>
<key name="tcpdstport" type="buffer" size="2"/>
</lookuptable>
<!-- this table contains information about rpc session -->
<lookuptable name="$rpctable" exactentries="1000" maskentries="0" validity="dynamic">
<key name="ipsource" type="buffer" size="16"/>
<key name="ipdest" type="buffer" size="16"/>
<key name="tcpsrcport" type="buffer" size="2"/>
<key name="tcpdstport" type="buffer" size="2"/>
<data name="prog" type="number"/>
<data name="proc" type="number"/>
<data name="type" type="number"/>
</lookuptable>
</init>
</execute-code>
<encapsulation>
<switch expr="$linklayer">
<!-- Bluetooth -->
<!--
<case value="1"> <nextproto proto="#hci_packet_type"/> </case>
<case value="13"> <nextproto proto="#hci"/> </case>
-->
<case value="1"> <nextproto proto="#ethernet"/> </case>
<!-- Some OSes use this for ATM/LLC encapsulation -->
<case value="11"> <nextproto proto="#llc"/> </case>
<!-- Encapsulation not supported. Let's use Ethernet, hoping that is correct -->
<default> <nextproto proto="#ethernet"/> </default>
</switch>
</encapsulation>
<visualization>
<showsumtemplate name="startproto">
<section name="NUMBER"/>
<packethdr value="num"/>
<section name="TIME"/>
<packethdr value="timestamp"/>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="ethernet" longname="Ethernet 802.3" comment="Ethernet DIX has recently been included in 802.3" showsumtemplate="ethernet">
<format>
<fields>
<field type="fixed" name="dst" longname="{0x8000 3}" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="src" longname="{0x8000 4}" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="type" longname="{0x8000 5}" size="2" showtemplate="eth.typelength"/>
</fields>
</format>
<!--
<format>
<fields>
<field type="fixed" name="dst" longname="MAC Destination" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="src" longname="MAC Source" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="type" longname="Ethertype - Length" size="2" showtemplate="eth.typelength"/>
</fields>
</format>
-->
<encapsulation>
<switch expr="buf2int(type)">
<case value="0x806"> <nextproto proto="#arp"/> </case>
<case value="0x800"> <nextproto proto="#ip"/> </case>
<case value="0x86DD"> <nextproto proto="#ipv6"/> </case>
<case value="0x8100"> <nextproto proto="#vlan"/> </case>
<case value="0x88A8"> <nextproto proto="#vlan"/> </case>
<case value="0x8847" comment="mpls-unicast"> <nextproto proto="#mpls"/> </case>
<case value="0x8848" comment="mpls-multicast"> <nextproto proto="#mpls"/> </case>
<case value="0x88E7"> <nextproto proto="#pbb"/> </case>
</switch>
</encapsulation>
<visualization>
<showsumtemplate name="ethernet">
<section name="next"/>
<text value="Eth: "/>
<protofield name="src" showdata="showvalue"/>
<text value=" => "/>
<protofield name="dst" showdata="showvalue"/>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="etherpadding" longname="Ethernet padding">
<format>
<fields>
<field type="variable" name="etherpad" longname="Ethernet Padding (frame less than 64 bytes)" expr="$framelength - $currentoffset" showtemplate="Field4BytesHex"/>
</fields>
</format>
</protocol>
<protocol name="vlan" longname="Virtual LAN (802.3ac)" showsumtemplate="vlan">
<format>
<fields>
<block name="vlan" size="2" longname="Tag Control Information">
<field type="bit" name="pri" longname="{0x8000 7}" mask="0xE000" size="2" showtemplate="FieldHex"/>
<field type="bit" name="cfi" longname="CFI" mask="0x1000" size="2" showtemplate="FieldDec"/>
<field type="bit" name="vlanid" longname="{0x8000 6}" mask="0x0FFF" size="2" showtemplate="FieldDec"/>
</block>
<field type="fixed" name="type" longname="{0x8000 5} Type" size="2" showtemplate="eth.typelength"/>
</fields>
</format>
<encapsulation>
<switch expr="buf2int(type)">
<case value="0" maxvalue="1500"> <nextproto proto="#llc"/> </case>
<case value="0x800"> <nextproto proto="#ip"/> </case>
<case value="0x806"> <nextproto proto="#arp"/> </case>
<case value="0x8100"> <nextproto proto="#vlan" comment="Standard 802.1Q in 802.1Q encapsulation"/> </case>
<case value="0x88A8"> <nextproto proto="#vlan" comment="Shortest path Bridge"/> </case>
<case value="0x86DD"> <nextproto proto="#ipv6"/> </case>
<case value="0x88E7"> <nextproto proto="#pbb" comment="802.1ad encapsulation"/> </case>
</switch>
</encapsulation>
<visualization>
<showsumtemplate name="vlan">
<text value=" (VLAN-ID "/>
<protofield name="vlanid" showdata="showvalue"/>
<text value=")"/>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="mpls" longname="Multi Protocol Label Switching" showsumtemplate="mpls">
<format>
<fields>
<!--
The CoS field is identified as Exp (Experimental Use) inside RFC 3032
-->
<field type="bit" name="label" longname="{0x8000 34} Label" mask="0xFFFFF000" size="4" showtemplate="FieldDec"/>
<field type="bit" name="cos" longname="{0x8000 35} Class of Service" mask="0x00000E00" size="4" showtemplate="FieldDec"/>
<field type="bit" name="bos" longname="{0x8000 36} Bottom of Stack" mask="0x00000100" size="4" showtemplate="FieldDec"/>
<field type="bit" name="ttl" longname="{0x0002 80} Time To Live" mask="0x000000FF" size="4" showtemplate="FieldDec"/>
</fields>
</format>
<encapsulation>
<if expr="buf2int(s) == 1">
<if-true>
<switch expr="buf2int(label)">
<case value="0"> <nextproto proto="#ip"/> </case>
<case value="2"> <nextproto proto="#ipv6"/> </case>
<default>
<nextproto proto="#ip"/>
</default>
</switch>
</if-true>
<if-false>
<nextproto proto="#mpls"/>
</if-false>
</if>
</encapsulation>
<visualization>
<showsumtemplate name="mpls">
<section name="next"/>
<text value="LABEL: "/>
<protofield name="label" showdata="showvalue"/>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="llc" longname="IEEE 802.2 Logical Link Control" showsumtemplate="llc">
<format>
<fields>
<field type="fixed" name="dsap" longname="DSAP" size="1" showtemplate="FieldHex"/>
<field type="fixed" name="ssap" longname="SSAP" size="1" showtemplate="FieldHex"/>
<if expr="(buf2int($packet[$currentoffset:1]) bitwand 0b00000011) == 0b00000011"> <!-- last two bits are '11' -->
<!-- LLC Unnumbered -->
<if-true>
<field type="fixed" name="ctrl" longname="Control (Unnumbered)" size="1" showtemplate="FieldHex">
<field type="bit" name="mod" longname="Modifier" mask="0xE0" size="1" showtemplate="FieldHex"/>
<field type="bit" name="pf" longname="Poll / Final" mask="0x10" size="1" showtemplate="FieldBin"/>
<field type="bit" name="type" longname="Type" mask="0x0C" size="1" showtemplate="FieldHex"/>
<field type="bit" name="flag" longname="Flag (Unnumbered frame)" mask="0x03" size="1" showtemplate="FieldBin"/>
</field>
</if-true>
<if-false>
<if expr="(buf2int($packet[$currentoffset:1]) bitwand 0b00000001) == 0b00000000"> <!-- last bit is '0' -->
<!-- LLC Information -->
<if-true>
<!-- Warning: the LLC information ctrl field can be also 16 bits -->
<field type="fixed" name="ctrl" longname="Control (Information)" size="1" showtemplate="FieldHex">
<field type="bit" name="nr" longname="Sequence Number (Receiver)" mask="0xE0" size="1" showtemplate="FieldHex"/>
<field type="bit" name="pf" longname="Poll / Final" mask="0x10" size="1" showtemplate="FieldBin"/>
<field type="bit" name="type" longname="Type" mask="0x0C" size="1" showtemplate="FieldHex"/>
<field type="bit" name="flag" longname="Flag (Information frame)" mask="0x03" size="1" showtemplate="FieldBin"/>
</field>
</if-true>
<if-false>
<if expr="(buf2int($packet[$currentoffset:1]) bitwand 0b00000001) == 0b00000001"> <!-- last two bits are '01' -->
<!-- LLC Supervisor -->
<if-true>
<!-- Warning: the LLC Supervisor ctrl field can be also 16 bits -->
<field type="fixed" name="ctrl" longname="Control (Supervisor)" size="1" showtemplate="FieldHex">
<field type="bit" name="nr" longname="Sequence Number (Receiver)" mask="0xE0" size="1" showtemplate="FieldDec"/>
<field type="bit" name="pf" longname="Poll / Final" mask="0x10" size="1" showtemplate="FieldBin"/>
<field type="bit" name="ns" longname="Sequence Number (Sender)" mask="0x0E" size="1" showtemplate="FieldDec"/>
<field type="bit" name="flag" longname="Flag (Supervisor frame)" mask="0x01" size="1" showtemplate="FieldBin"/>
</field>
</if-true>
</if>
</if-false>
</if>
</if-false>
</if>
</fields>
</format>
<encapsulation>
<if expr="(dsap == '\xE0') and (ssap == '\xE0') and (ctrl == '\x03') and ($packet[$currentoffset:2] == '\xFF\xFF')">
<if-true>
</if-true>
</if>
<switch expr="buf2int(dsap)">
<case value="0x06"> <nextproto proto="#ip"/> </case>
<case value="0xAA"> <nextproto proto="#snap"/> </case>
</switch>
</encapsulation>
<visualization>
<showsumtemplate name="llc">
<text value=" - "/>
<if expr="(buf2int(ctrl) bitwand 0b00000011) == 0b00000011">
<if-true>
<text value="LLC Unnumbered "/>
</if-true>
<if-false>
<if expr="(buf2int(ctrl) bitwand 0b00000001) == 0b00000000">
<!-- LLC Information -->
<if-true>
<text value="LLC Information "/>
</if-true>
<if-false>
<if expr="(buf2int(ctrl) bitwand 0b00000011) == 0b00000001">
<!-- LLC Supervisor -->
<if-true>
<text value="LLC Supervisor "/>
</if-true>
</if>
</if-false>
</if>
</if-false>
</if>
<text value=": DSAP "/>
<protofield name="dsap" showdata="showvalue"/>
<text value=", Ctrl "/>
<protofield name="ctrl" showdata="showvalue"/>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="snap" longname="IEEE 802.2 Logical Link Control SNAP" showsumtemplate="snap">
<format>
<fields>
<field type="fixed" name="OUI" longname="Organization Unique Identifier" size="3" showtemplate="FieldHex"/>
<field type="fixed" name="type" longname="Protocol Type" size="2" showtemplate="snap.type"/>
</fields>
</format>
<encapsulation>
<if expr="buf2int(OUI) == 0">
<if-true>
<switch expr="buf2int(type)">
<case value="0x0800"> <nextproto proto="#ip"/> </case>
<case value="0x0806"> <nextproto proto="#arp"/> </case>
</switch>
</if-true>
</if>
<if expr="buf2int(OUI) == 0x00000C">
<if-true>
<switch expr="buf2int(type)">
</switch>
</if-true>
</if>
</encapsulation>
<visualization>
<showtemplate name="snap.type" showtype="hex">
<showmap>
<switch expr="buf2int(this)">
<case value="0x0800" show="IP"/>
<case value="0x0806" show="ARP"/>
<case value="0x8137" show="IPX"/>
<case value="0x2000" show="Cisco Discovery Protocol"/>
<case value="0x010B" show="Cisco Per-VLAN Spanning Tree"/>
<default show="Error in snap.type lookup"/>
</switch>
</showmap>
</showtemplate>
<showsumtemplate name="snap">
<text value=" - SNAP"/>
<if expr="buf2int(type) == 0x010B">
<if-true>
<section name="next"/>
<text value="Cisco Per-VLAN Spanning Tree"/>
</if-true>
</if>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="arp" longname="ARP (Address Resolution Protocol)" comment="This protocol has been 'hardwired' to IP. In fact, we do not know any other network protocol that uses ARP." showsumtemplate="arp">
<execute-code>
<!-- If we're on Ethernet, update the packet length -->
<after when="$linklayer == 1">
<assign-variable name="$packetlength" value="$currentoffset"/>
</after>
</execute-code>
<format>
<fields>
<field type="fixed" name="hType" longname="Hardware type" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="pType" longname="Protocol type" size="2" showtemplate="FieldHex"/>
<field type="fixed" name="hLen" longname="Hardware address length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="pLen" longname="Protocol address length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="op" longname="{0x8000 21} Operation code" size="2" showtemplate="arp.code"/>
<field type="fixed" name="sHwAddr" longname="{0x8000 24} Sender MAC address" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="sIPAddr" longname="{0x8000 22} Sender IP address" size="4" showtemplate="ip4addr"/>
<field type="fixed" name="dHwAddr" longname="{0x8000 25} Destination MAC address" size="6" showtemplate="MACaddressEth"/>
<field type="fixed" name="dIPAddr" longname="{0x8000 23} Destination IP address" size="4" showtemplate="ip4addr"/>
</fields>
</format>
<visualization>
<showtemplate name="arp.code" showtype="dec">
<showmap>
<switch expr="buf2int(this)">
<case value="1" show="Request"/>
<case value="2" show="Reply"/>
<default show="Error in ARP code lookup"/>
</switch>
</showmap>
</showtemplate>
<showsumtemplate name="arp">
<section name="next"/>
<text value="ARP "/>
<protofield name="op" showdata="showmap"/>
<text value=": "/>
<if expr="buf2int(op) == 1">
<if-true>
<text value="who has "/>
<protofield name="dIPAddr" showdata="showvalue"/>
<text value=" tell "/>
<protofield name="sIPAddr" showdata="showvalue"/>
</if-true>
<if-false>
<protofield name="sIPAddr" showdata="showvalue"/>
<text value=" is at "/>
<protofield name="sHwAddr" showdata="showvalue"/>
</if-false>
</if>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="ip" longname="IPv4 (Internet Protocol version 4)" showsumtemplate="ipv4">
<!-- We should check that 'version' is equal to '4' -->
<execute-code>
<!-- If we're on Ethernet, update the packet length -->
<after when="$linklayer == 1">
<assign-variable name="$packetlength" value="$currentoffset + buf2int(tlen) - buf2int(hlen) * 4"/>
</after>
</execute-code>
<format>
<fields>
<field type="bit" name="ver" longname="Version" mask="0xF0" size="1" showtemplate="FieldDec"/>
<field type="bit" name="hlen" longname="Header length" comment="The length is in multiple of 4 bytes" mask="0x0F" size="1" showtemplate="FieldMul4Dec"/>
<!-- <field type="fixed" name="tos" longname="{0x8000 8} Type of service" size="1" showtemplate="FieldHex"/> -->
<block name="tos" longname="Type of service">
<field type="bit" name="ip dscp" longname="{0x8000 8} DSCP" mask="0xFC" size="1" showtemplate="FieldDec"/>
<field type="bit" name="ip ecn" longname="{0x8000 9} ECN" mask="0x03" size="1" showtemplate="FieldDec"/>
</block>
<field type="fixed" name="tlen" longname="Total length" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="identification" longname="Identification" size="2" showtemplate="FieldDec"/>
<block name="ffo" longname="Flags and Fragment offset">
<field type="bit" name="unused" longname="Unused" mask="0x8000" size="2" showtemplate="FieldBin"/>
<field type="bit" name="df" longname="Don't fragment" mask="0x4000" size="2" showtemplate="FieldBin"/>
<field type="bit" name="mf" longname="More fragments" mask="0x2000" size="2" showtemplate="FieldBin"/>
<field type="bit" name="foffset" longname="Fragment offset" comment="This is in multiple of 8 bytes" mask="0x1FFF" size="2" showtemplate="ShortMul8Dec"/>
</block>
<field type="fixed" name="ttl" longname="{0x0002 81} Time to live" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="nextp" longname="{0x8000 10} Next protocol" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="hchecksum" longname="Header Checksum" size="2" showtemplate="FieldHex"/>
<field type="fixed" name="src" longname="{0x8000 11}" size="4" showtemplate="ip4addr"/>
<field type="fixed" name="dst" longname="{0x8000 12}" size="4" showtemplate="ip4addr"/>
<!-- Options loop -->
<block name="option" longname="IP Options">
<loop type="size" expr="(buf2int(hlen) * 4) - 20">
<switch expr="buf2int($packet[$currentoffset:1]) bitwand 0x1F">
<case value="0"> <includeblk name="IP_OPT_EOL"/> </case>
<case value="1"> <includeblk name="IP_OPT_NOP"/> </case>
<case value="2"> <includeblk name="IP_OPT_SEC"/> </case>
<case value="3"> <includeblk name="IP_OPT_LSR"/> </case>
<case value="4"> <includeblk name="IP_OPT_TS"/> </case>
<case value="5"> <includeblk name="IP_OPT_EX_SEC"/> </case>
<case value="7"> <includeblk name="IP_OPT_RR"/> </case>
<case value="8"> <includeblk name="IP_OPT_SID"/> </case>
<case value="9"> <includeblk name="IP_OPT_SSR"/> </case>
<case value="18"> <includeblk name="IP_OPT_TR"/> </case>
<case value="20"> <includeblk name="IP_OPT_RA"/> </case>
<default> <includeblk name="IP_OPT_UNK"/> </default>
</switch>
</loop>
</block>
</fields>
<!-- IP options -->
<block name="IP_OPT_EOL" longname="End of Options List">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="padding" name="padding" longname="Padding" align="4" showtemplate="FieldHex"/>
</block>
<block name="IP_OPT_NOP" longname="No Operation Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
</block>
<block name="IP_OPT_SEC" longname="Security Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="sec" longname="Security" size="2" showtemplate="ipv4.secsec"/>
<field type="fixed" name="comp" longname="Compartments" size="2" showtemplate="ipv4.seccomp"/>
<field type="fixed" name="hr" longname="Handling Restrictions" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="tcc" longname="Transmission Control Code" size="3" showtemplate="FieldAscii"/>
</block>
<block name="IP_OPT_EX_SEC" longname="Extended Security Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="asecfc" longname="Additional Security Info Format Code" size="1" showtemplate="FieldDec"/>
<field type="variable" name="asec" longname="Additional Security Info" expr="buf2int(length) - 3" showtemplate="Field4BytesHex"/>
<!-- This expression is wrong; we'll check it later -->
</block>
<block name="IP_OPT_LSR" longname="Loose Source Routing Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="pointer" longname="Pointer" size="1" showtemplate="FieldDec"/>
<!-- Loop to print the addresses -->
<block name="LSR_alist" longname="Address list">
<loop type="size" expr="buf2int(length) - 3">
<field type="fixed" name="raddr" longname="Router Address" size="4" showtemplate="ip4addr-noplg"/>
</loop>
</block>
</block>
<block name="IP_OPT_SSR" longname="Strict Source Routing Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="pointer" longname="Pointer" size="1" showtemplate="FieldDec"/>
<!-- Loop to print the addresses -->
<block name="SRR_alist" longname="Address list">
<loop type="size" expr="buf2int(length) - 3">
<field type="fixed" name="raddr" longname="Router Address" size="4" showtemplate="ip4addr-noplg"/>
</loop>
</block>
</block>
<block name="IP_OPT_RR" longname="Record Route Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="pointer" longname="Pointer" size="1" showtemplate="FieldDec"/>
<!-- Loop to print the addresses -->
<block name="RR_alist" longname="Address list">
<loop type="size" expr="buf2int(length) - 3">
<field type="fixed" name="raddr" longname="Router Address" size="4" showtemplate="ip4addr-noplg"/>
</loop>
</block>
</block>
<block name="IP_OPT_SID" longname="Stream Identifier Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="sid" longname="Stream ID" size="2" showtemplate="FieldDec"/>
</block>
<block name="IP_OPT_RA" longname="Router Alert Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="len" longname="Length" comment="The value of this field must be 4" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="value" longname="Value" size="2" showtemplate="ipv4.optralert"/>
</block>
<block name="IP_OPT_TR" longname="Trace Route Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="len" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="id" longname="ID Number" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="ohc" longname="Outbound Hop Count" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="rhc" longname="Return Hop Count" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="TR_addr" longname="Originator IP Address" size="4" showtemplate="ip4addr-noplg"/>
</block>
<block name="IP_OPT_TS" longname="Timestamp Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="pointer" longname="Pointer" size="1" showtemplate="FieldDec"/>
<block name="ovf_flags" longname="Overflow and flag">
<field type="bit" name="ts_ovf" longname="Overflow" mask="0xF0" size="1" showtemplate="FieldHex"/>
<field type="bit" name="ts_flag" longname="Flag" mask="0x0F" size="1" showtemplate="ipv4.opttimestamp"/>
</block>
<!-- Loop to print the timestamps and addresses -->
<block name="TS_list" longname="Timestamps">
<loop type="size" expr="buf2int(length) - 4">
<switch expr="buf2int(ts_flag)">
<case value="1">
<field type="fixed" name="TS_addr" longname="Address" size="4" showtemplate="ip4addr-noplg"/>
<field type="fixed" name="TS_tstamp" longname="Time Stamp" size="4" showtemplate="FieldDec"/>
</case>
<default>
<field type="fixed" name="TS_tstamp" longname="Time Stamp" size="4" showtemplate="FieldDec"/>
</default>
</switch>
</loop>
</block>
</block>
<!-- Unknown Option, shown if no other options match -->
<block name="IP_OPT_UNK" longname="Unknown or Unsupported Option">
<field type="fixed" name="type" longname="Option Type" size="1" showtemplate="ipv4.opttype">
<field type="bit" name="copy" longname="Copied flag" mask="0x80" size="1" showtemplate="ipv4.optcopytype"/>
<field type="bit" name="class" longname="Option Class" mask="0x60" size="1" showtemplate="ipv4.optclass"/>
<field type="bit" name="number" longname="Option Number" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<field type="fixed" name="length" longname="Length" size="1" showtemplate="FieldDec"/>
<field type="variable" name="OptionData" longname="Option Data" expr="buf2int(length)" showtemplate="Field4BytesHex"/>
</block>
</format>
<!--
</fields>
</format>
-->
<encapsulation>
<if expr="buf2int(foffset) == 0">
<if-true>
<switch expr="buf2int(nextp)">
<!--
<case value="4"> <nextproto proto="#ip"/> </case>
-->
<case value="1"> <nextproto proto="#icmp"/> </case>
<case value="6"> <nextproto proto="#tcp"/> </case>
<case value="17"> <nextproto proto="#udp"/> </case>
</switch>
</if-true>
</if>
</encapsulation>
<visualization>
<showtemplate name="ipv4.opttype" showtype="dec"> <!-- Option type -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="End of Options List"/>
<case value="1" show="No Operation"/>
<case value="7" show="Record Route"/>
<case value="10" show="Experimental Measurement"/>
<case value="68" show="Time Stamp"/>
<case value="82" show="Traceroute"/>
<case value="130" show="Security"/>
<case value="131" show="Loose Source Routing"/>
<case value="133" show="Extended Security"/>
<case value="134" show="Commercial Security"/>
<case value="136" show="Stream ID"/>
<case value="137" show="Strict Source Routing"/>
<case value="142" show="Expermental Access Control"/>
<case value="144" show="IMI Traffic Descriptor"/>
<case value="145" show="Extended Internet Protocol"/>
<case value="147" show="Address Extension"/>
<case value="148" show="Router Alert"/>
<case value="149" show="Selective Directed Broadcast"/>
<case value="150" show="NSAP Addresses"/>
<case value="151" show="Dynamic Packet State"/>
<case value="152" show="Upstream Multicast Pkt."/>
<case value="205" show="Experimental Flow Control"/>
<default show="Unknown option"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.optcopytype" showtype="bin"> <!-- Option Copy type -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="not copied into all fragments"/>
<case value="1" show="copied into all fragments"/>
<default show="Unknown"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.optclass" showtype="bin"> <!-- Option Class type -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="control"/>
<case value="1" show="reserved for future use"/>
<case value="2" show="debugging and measurement"/>
<case value="3" show="reserved for future use"/>
<default show="Unknown"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.secsec" showtype="dec"> <!-- Security level -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="Unclassified"/>
<case value="61749" show="Confidential"/>
<case value="30874" show="EFTO"/>
<case value="48205" show="MMMM"/>
<case value="24102" show="PROG"/>
<case value="44819" show="Restricted"/>
<case value="55176" show="Secret"/>
<case value="27589" show="Top Secret"/>
<default show="Unknown"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.seccomp" showtype="dec"> <!-- Security Compartment -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="Not Compartmented"/>
<default show="Unknown Compartment" comment="Every compartment different from 0 is unknown"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.optralert" showtype="dec"> <!-- Routing Alert Value -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="Router shall examine packet"/>
<default show="reserved"/>
</switch>
</showmap>
</showtemplate>
<showtemplate name="ipv4.opttimestamp" showtype="bin"> <!-- Timestamp Flag -->
<showmap>
<switch expr="buf2int(this)">
<case value="0" show="Time stamps only"/>
<case value="1" show="Time stamps and addresses"/>
<case value="3" show="Time stamps for prespecified addresses"/>
</switch>
</showmap>
</showtemplate>
<showsumtemplate name="ipv4">
<section name="next"/>
<!-- <section name="L3"/> -->
<text value=" - " when="onlysectionhastext"/>
<text value="IP: "/>
<protofield name="src" showdata="showvalue"/>
<text value=" => "/>
<protofield name="dst" showdata="showvalue"/>
<text value=" (Len "/>
<protofield name="tlen" showdata="showvalue"/>
<text value=")"/>
<if expr="(buf2int(mf) == 1) or (buf2int(foffset) != 0)">
<if-true>
<text value=" Fragment " expr="buf2int(foffset)*8"/>
<!-- the packet ends at: fragment offset * 8 + (total length - header length * 4 - 1) -->
<text value=":" expr="buf2int(foffset) * 8 + buf2int(tlen) - 1 - buf2int(hlen) * 4"/>
</if-true>
</if>
</showsumtemplate>
</visualization>
</protocol>
<protocol name="ipv6" longname="IPv6 (Internet Protocol version 6)" showsumtemplate="ipv6">
<!-- We should check that 'version' is equal to '6' -->
<execute-code>
<after>
<!-- Store ipsrc and ipdst in a couple of variables for the sake of speed -->
<!-- This aims at hiding differences between IPv4 and IPv6 for session tracking -->
<assign-variable name="$ipsrc" value="src"/>
<assign-variable name="$ipdst" value="dst"/>
<if expr="$ipsrc lt $ipdst" >
<if-true>
<assign-variable name="$firstip" value="src"/>
<assign-variable name="$secondip" value="dst"/>
</if-true>
<if-false>
<assign-variable name="$firstip" value="dst"/>
<assign-variable name="$secondip" value="src"/>
</if-false>
</if>
</after>
<!-- If we're on Ethernet, update the packet length -->
<after when="$linklayer == 1">
<assign-variable name="$packetlength" value="$currentoffset + buf2int(plen)"/>
</after>
</execute-code>
<format>
<fields>
<field type="bit" name="ver" longname="Version" mask="0xF0000000" size="4" showtemplate="FieldDec"/>
<field type="bit" name="tos" longname="Type of service" mask="0x0F000000" size="4" showtemplate="FieldHex"/>
<field type="bit" name="flabel" longname="{0x8000 28}" mask="0x00FFFFFF" size="4" showtemplate="FieldHex"/>
<field type="fixed" name="plen" longname="Payload Length" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="hop" longname="Hop limit" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="src" longname="{0x8000 26}" size="16" showtemplate="ip6addr" />
<field type="fixed" name="dst" longname="{0x8000 27}" size="16" showtemplate="ip6addr" />
<loop type="while" expr="1">
<!-- Loop until we find a 'break' -->
<switch expr="buf2int(nexthdr)">
<case value="0">
<includeblk name="HBH"/>
</case>
<case value="43">
<includeblk name="RH"/>
</case>
<case value="44">
<includeblk name="FH"/>
</case>
<case value="51">
<includeblk name="AH"/>
</case>
<case value="60">
<includeblk name="DOH"/>
</case>
<default>
<loopctrl type="break"/>
</default>
</switch>
</loop>
</fields>
<block name="HBH" longname="{0x8000 39 6 1}">
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="helen" longname="Length (multiple of 8 bytes, not including the first 8)" size="1" showtemplate="ipv6.hbhlen"/>
<loop type="size" expr="(buf2int(helen) * 8) + 6"> <!-- '6' because the first two bytes are nexthdr and helen -->
<includeblk name="HBHOption"/>
</loop>
</block>
<block name="FH" longname="{0x8000 39 4 4}">
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="reserved" longname="Reserved (multiple of 8 bytes)" comment="This is in multiple of 8 bytes" size="1" showtemplate="FieldDec"/>
<field type="bit" name="fragment offset" longname="Fragment Offset" mask="0xFFF0" size="2" showtemplate="FieldDec"/>
<field type="bit" name="res" longname="Res" mask="0x0004" size="2" showtemplate="FieldHex"/>
<field type="bit" name="m" longname="M" mask="0x0001" size="2" showtemplate="FieldBin"/>
<field type="fixed" name="identification" longname="Identification" size="4" showtemplate="FieldDec"/>
</block>
<block name="AH" longname="{0x8000 39 2 5}">
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="payload len" longname="Payload Len" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="reserved" longname="Reserved" size="2" showtemplate="FieldDec"/>
<field type="fixed" name="spi" longname="Security Parameters Index" size="4" showtemplate="FieldDec"/>
<field type="fixed" name="snf" longname="Sequence Number Field" size="4" showtemplate="FieldDec"/>
</block>
<block name="DOH" longname="{0x8000 39 3 2}">
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="helen" longname="Length (multiple of 8 bytes, not including the first 8)" size="1" showtemplate="ipv6.hbhlen"/>
<loop type="size" expr="(buf2int(helen) * 8)+6"> <!-- '6' because the first two bytes are nexthdr and helen -->
<includeblk name="DOHOption"/>
</loop>
</block>
<block name="RH" longname="{0x8000 39 5 3}">
<field type="fixed" name="nexthdr" longname="{0x8000 10} Next Header" size="1" showtemplate="ipv6.nexthdr"/>
<field type="fixed" name="hlen" longname="Length (multiple of 8 bytes)" comment="This is in multiple of 8 bytes" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="rtype" longname="Routing Type" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="segment left" longname="Segment Left" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="res" longname="Reserved (must be zero)" size="4" showtemplate="FieldDec"/>
<switch expr="buf2int(rtype)">
<case value="0">
<loop type="times2repeat" expr="(buf2int(hlen) div 2)">
<field type="fixed" name="address" longname="{0x0002 25}" size="16" showtemplate="ip6addr"/>
</loop>
</case>
<default>
<field type="variable" name="tsd" longname="Type Specific Data" expr="(buf2int(hlen) * 8)" showtemplate="Field4BytesHex"/>
</default>
</switch>
</block>
<block name="DOHOption" longname="Destination Option Header Option">
<field type="fixed" name="opttype" longname="Option Type" size="1" showtemplate="ipv6.opttype">
<field type="bit" name="act" longname="Action (action if Option Type is unrecognized)" mask="0xC0" size="1" showtemplate="ipv6.optact"/>
<field type="bit" name="chg" longname="Change (whether or not option data can change while packet is en-route)" mask="0x20" size="1" showtemplate="ipv6.optchg"/>
<field type="bit" name="res" longname="{0x0002 17}" mask="0x1F" size="1" showtemplate="FieldDec"/>
</field>
<switch expr="buf2int(opttype)">
<case value="0">
<!-- No fields are present if the option is not 'Pad1'-->
</case>
<case value="5"> <!-- Router Alert -->
<field type="fixed" name="optlen" longname="Option Length" size="1" showtemplate="FieldDec"/>
<field type="fixed" name="value" size="2" longname="{0x0002 18} 274 Option Value" showtemplate="ipv6.optroutalert"/>
</case>
<default>