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@@ -412,7 +412,7 @@ var IP = {
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*
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* @param {byteArray} input
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* @param {Object[]} args
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- * @returns {string}
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+ * @returns {html}
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*/
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runParseIPv4Header: function(input, args) {
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var format = args[0],
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@@ -439,7 +439,8 @@ var IP = {
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checksum = input[10] << 8 | input[11],
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srcIP = input[12] << 24 | input[13] << 16 | input[14] << 8 | input[15],
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dstIP = input[16] << 24 | input[17] << 16 | input[18] << 8 | input[19],
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- checksumHeader = input.slice(0, 10).concat([0, 0]).concat(input.slice(12, 20));
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+ checksumHeader = input.slice(0, 10).concat([0, 0]).concat(input.slice(12, 20)),
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+ options = [];
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// Version
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if (version !== 4) {
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@@ -451,12 +452,14 @@ var IP = {
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ihl = ihl + " (Error: this should always be at least 5)";
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} else if (ihl > 5) {
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// sort out options...
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+ var optionsLen = ihl * 4 - 20;
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+ options = input.slice(20, optionsLen + 20);
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}
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- //
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-
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+ // Protocol
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+ var protocolInfo = IP._protocolLookup[protocol] || {keyword: "", protocol: ""};
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- // Check checksum
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+ // Checksum
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var correctChecksum = Checksum.runTCPIP(checksumHeader, []),
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givenChecksum = Utils.hex(checksum),
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checksumResult;
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@@ -466,23 +469,31 @@ var IP = {
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checksumResult = givenChecksum + " (incorrect, should be " + correctChecksum + ")";
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}
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- output = "Version: " + version +
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- "\nInternet Header Length (IHL): " + ihl +
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- "\nDifferentiated Services Code Point (DSCP): " + dscp +
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- "\nECN: " + ecn +
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- "\nTotal length: " + length +
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- "\nIdentification: " + identification +
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- "\nFlags: " + flags +
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- "\nFragment offset: " + fragOffset +
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- "\nTime-To-Live: " + ttl +
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- "\nProtocol: " + protocol +
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- "\nHeader checksum: " + checksumResult +
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- "\nSource IP address: " + IP._ipv4ToStr(srcIP) +
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- "\nDestination IP address: " + IP._ipv4ToStr(dstIP) +
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- "\nCorrect checksum: " + Checksum.runTCPIP(checksumHeader, []);
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-
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+ output = "<table class='table table-hover table-condensed table-bordered table-nonfluid'><tr><th>Field</th><th>Value</th></tr>" +
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+ "<tr><td>Version</td><td>" + version + "</td></tr>" +
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+ "<tr><td>Internet Header Length (IHL)</td><td>" + ihl + " (" + (ihl * 4) + " bytes)</td></tr>" +
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+ "<tr><td>Differentiated Services Code Point (DSCP)</td><td>" + dscp + "</td></tr>" +
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+ "<tr><td>Explicit Congestion Notification (ECN)</td><td>" + ecn + "</td></tr>" +
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+ "<tr><td>Total length</td><td>" + length + " bytes" +
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+ "\n IP header: " + (ihl * 4) + " bytes" +
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+ "\n Data: " + (length - ihl * 4) + " bytes</td></tr>" +
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+ "<tr><td>Identification</td><td>0x" + Utils.hex(identification) + " (" + identification + ")</td></tr>" +
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+ "<tr><td>Flags</td><td>0x" + Utils.hex(flags, 2) +
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+ "\n Reserved bit:" + (flags >> 2) + " (must be 0)" +
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+ "\n Don't fragment:" + (flags >> 1 & 1) +
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+ "\n More fragments:" + (flags & 1) + "</td></tr>" +
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+ "<tr><td>Fragment offset</td><td>" + fragOffset + "</td></tr>" +
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+ "<tr><td>Time-To-Live</td><td>" + ttl + "</td></tr>" +
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+ "<tr><td>Protocol</td><td>" + protocol + ", " + protocolInfo.protocol + " (" + protocolInfo.keyword + ")</td></tr>" +
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+ "<tr><td>Header checksum</td><td>" + checksumResult + "</td></tr>" +
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+ "<tr><td>Source IP address</td><td>" + IP._ipv4ToStr(srcIP) + "</td></tr>" +
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+ "<tr><td>Destination IP address</td><td>" + IP._ipv4ToStr(dstIP) + "</td></tr>";
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+
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+ if (ihl > 5) {
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+ output += "<tr><td>Options</td><td>" + Utils.byteArrayToHex(options) + "</td></tr>";
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+ }
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- return output;
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+ return output + "</table>";
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},
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@@ -889,4 +900,162 @@ var IP = {
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return range;
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},
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+
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+ /**
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+ * Lookup table for Internet Protocols.
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+ * Taken from https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
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+ *
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+ * @private
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+ * @constant
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+ */
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+ _protocolLookup: {
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+ 0: {keyword: "HOPOPT", protocol: "IPv6 Hop-by-Hop Option"},
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+ 1: {keyword: "ICMP", protocol: "Internet Control Message"},
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+ 2: {keyword: "IGMP", protocol: "Internet Group Management"},
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+ 3: {keyword: "GGP", protocol: "Gateway-to-Gateway"},
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+ 4: {keyword: "IPv4", protocol: "IPv4 encapsulation"},
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+ 5: {keyword: "ST", protocol: "Stream"},
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+ 6: {keyword: "TCP", protocol: "Transmission Control"},
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+ 7: {keyword: "CBT", protocol: "CBT"},
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+ 8: {keyword: "EGP", protocol: "Exterior Gateway Protocol"},
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+ 9: {keyword: "IGP", protocol: "any private interior gateway (used by Cisco for their IGRP)"},
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+ 10: {keyword: "BBN-RCC-MON", protocol: "BBN RCC Monitoring"},
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+ 11: {keyword: "NVP-II", protocol: "Network Voice Protocol"},
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+ 12: {keyword: "PUP", protocol: "PUP"},
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+ 13: {keyword: "ARGUS (deprecated)", protocol: "ARGUS"},
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+ 14: {keyword: "EMCON", protocol: "EMCON"},
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+ 15: {keyword: "XNET", protocol: "Cross Net Debugger"},
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+ 16: {keyword: "CHAOS", protocol: "Chaos"},
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+ 17: {keyword: "UDP", protocol: "User Datagram"},
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+ 18: {keyword: "MUX", protocol: "Multiplexing"},
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+ 19: {keyword: "DCN-MEAS", protocol: "DCN Measurement Subsystems"},
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+ 20: {keyword: "HMP", protocol: "Host Monitoring"},
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+ 21: {keyword: "PRM", protocol: "Packet Radio Measurement"},
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+ 22: {keyword: "XNS-IDP", protocol: "XEROX NS IDP"},
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+ 23: {keyword: "TRUNK-1", protocol: "Trunk-1"},
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+ 24: {keyword: "TRUNK-2", protocol: "Trunk-2"},
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+ 25: {keyword: "LEAF-1", protocol: "Leaf-1"},
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+ 26: {keyword: "LEAF-2", protocol: "Leaf-2"},
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+ 27: {keyword: "RDP", protocol: "Reliable Data Protocol"},
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+ 28: {keyword: "IRTP", protocol: "Internet Reliable Transaction"},
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+ 29: {keyword: "ISO-TP4", protocol: "ISO Transport Protocol Class 4"},
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+ 30: {keyword: "NETBLT", protocol: "Bulk Data Transfer Protocol"},
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+ 31: {keyword: "MFE-NSP", protocol: "MFE Network Services Protocol"},
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+ 32: {keyword: "MERIT-INP", protocol: "MERIT Internodal Protocol"},
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+ 33: {keyword: "DCCP", protocol: "Datagram Congestion Control Protocol"},
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+ 34: {keyword: "3PC", protocol: "Third Party Connect Protocol"},
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+ 35: {keyword: "IDPR", protocol: "Inter-Domain Policy Routing Protocol"},
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+ 36: {keyword: "XTP", protocol: "XTP"},
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+ 37: {keyword: "DDP", protocol: "Datagram Delivery Protocol"},
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+ 38: {keyword: "IDPR-CMTP", protocol: "IDPR Control Message Transport Proto"},
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+ 39: {keyword: "TP++", protocol: "TP++ Transport Protocol"},
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+ 40: {keyword: "IL", protocol: "IL Transport Protocol"},
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+ 41: {keyword: "IPv6", protocol: "IPv6 encapsulation"},
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+ 42: {keyword: "SDRP", protocol: "Source Demand Routing Protocol"},
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+ 43: {keyword: "IPv6-Route", protocol: "Routing Header for IPv6"},
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+ 44: {keyword: "IPv6-Frag", protocol: "Fragment Header for IPv6"},
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+ 45: {keyword: "IDRP", protocol: "Inter-Domain Routing Protocol"},
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+ 46: {keyword: "RSVP", protocol: "Reservation Protocol"},
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+ 47: {keyword: "GRE", protocol: "Generic Routing Encapsulation"},
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+ 48: {keyword: "DSR", protocol: "Dynamic Source Routing Protocol"},
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+ 49: {keyword: "BNA", protocol: "BNA"},
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+ 50: {keyword: "ESP", protocol: "Encap Security Payload"},
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+ 51: {keyword: "AH", protocol: "Authentication Header"},
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+ 52: {keyword: "I-NLSP", protocol: "Integrated Net Layer Security TUBA"},
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+ 53: {keyword: "SWIPE (deprecated)", protocol: "IP with Encryption"},
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+ 54: {keyword: "NARP", protocol: "NBMA Address Resolution Protocol"},
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+ 55: {keyword: "MOBILE", protocol: "IP Mobility"},
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+ 56: {keyword: "TLSP", protocol: "Transport Layer Security Protocol using Kryptonet key management"},
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+ 57: {keyword: "SKIP", protocol: "SKIP"},
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+ 58: {keyword: "IPv6-ICMP", protocol: "ICMP for IPv6"},
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+ 59: {keyword: "IPv6-NoNxt", protocol: "No Next Header for IPv6"},
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+ 60: {keyword: "IPv6-Opts", protocol: "Destination Options for IPv6"},
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+ 61: {keyword: "", protocol: "any host internal protocol"},
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+ 62: {keyword: "CFTP", protocol: "CFTP"},
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+ 63: {keyword: "", protocol: "any local network"},
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+ 64: {keyword: "SAT-EXPAK", protocol: "SATNET and Backroom EXPAK"},
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+ 65: {keyword: "KRYPTOLAN", protocol: "Kryptolan"},
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+ 66: {keyword: "RVD", protocol: "MIT Remote Virtual Disk Protocol"},
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+ 67: {keyword: "IPPC", protocol: "Internet Pluribus Packet Core"},
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+ 68: {keyword: "", protocol: "any distributed file system"},
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+ 69: {keyword: "SAT-MON", protocol: "SATNET Monitoring"},
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+ 70: {keyword: "VISA", protocol: "VISA Protocol"},
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+ 71: {keyword: "IPCV", protocol: "Internet Packet Core Utility"},
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+ 72: {keyword: "CPNX", protocol: "Computer Protocol Network Executive"},
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+ 73: {keyword: "CPHB", protocol: "Computer Protocol Heart Beat"},
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+ 74: {keyword: "WSN", protocol: "Wang Span Network"},
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+ 75: {keyword: "PVP", protocol: "Packet Video Protocol"},
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+ 76: {keyword: "BR-SAT-MON", protocol: "Backroom SATNET Monitoring"},
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+ 77: {keyword: "SUN-ND", protocol: "SUN ND PROTOCOL-Temporary"},
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+ 78: {keyword: "WB-MON", protocol: "WIDEBAND Monitoring"},
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+ 79: {keyword: "WB-EXPAK", protocol: "WIDEBAND EXPAK"},
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+ 80: {keyword: "ISO-IP", protocol: "ISO Internet Protocol"},
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+ 81: {keyword: "VMTP", protocol: "VMTP"},
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+ 82: {keyword: "SECURE-VMTP", protocol: "SECURE-VMTP"},
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+ 83: {keyword: "VINES", protocol: "VINES"},
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+ 84: {keyword: "TTP", protocol: "Transaction Transport Protocol"},
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+ 85: {keyword: "NSFNET-IGP", protocol: "NSFNET-IGP"},
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+ 86: {keyword: "DGP", protocol: "Dissimilar Gateway Protocol"},
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+ 87: {keyword: "TCF", protocol: "TCF"},
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+ 88: {keyword: "EIGRP", protocol: "EIGRP"},
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+ 89: {keyword: "OSPFIGP", protocol: "OSPFIGP"},
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+ 90: {keyword: "Sprite-RPC", protocol: "Sprite RPC Protocol"},
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+ 91: {keyword: "LARP", protocol: "Locus Address Resolution Protocol"},
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+ 92: {keyword: "MTP", protocol: "Multicast Transport Protocol"},
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+ 93: {keyword: "AX.25", protocol: "AX.25 Frames"},
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+ 94: {keyword: "IPIP", protocol: "IP-within-IP Encapsulation Protocol"},
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+ 95: {keyword: "MICP (deprecated)", protocol: "Mobile Internetworking Control Pro."},
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+ 96: {keyword: "SCC-SP", protocol: "Semaphore Communications Sec. Pro."},
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+ 97: {keyword: "ETHERIP", protocol: "Ethernet-within-IP Encapsulation"},
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+ 98: {keyword: "ENCAP", protocol: "Encapsulation Header"},
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+ 99: {keyword: "", protocol: "any private encryption scheme"},
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+ 100: {keyword: "GMTP", protocol: "GMTP"},
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+ 101: {keyword: "IFMP", protocol: "Ipsilon Flow Management Protocol"},
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+ 102: {keyword: "PNNI", protocol: "PNNI over IP"},
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+ 103: {keyword: "PIM", protocol: "Protocol Independent Multicast"},
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+ 104: {keyword: "ARIS", protocol: "ARIS"},
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+ 105: {keyword: "SCPS", protocol: "SCPS"},
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+ 106: {keyword: "QNX", protocol: "QNX"},
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+ 107: {keyword: "A/N", protocol: "Active Networks"},
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+ 108: {keyword: "IPComp", protocol: "IP Payload Compression Protocol"},
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+ 109: {keyword: "SNP", protocol: "Sitara Networks Protocol"},
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+ 110: {keyword: "Compaq-Peer", protocol: "Compaq Peer Protocol"},
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+ 111: {keyword: "IPX-in-IP", protocol: "IPX in IP"},
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+ 112: {keyword: "VRRP", protocol: "Virtual Router Redundancy Protocol"},
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+ 113: {keyword: "PGM", protocol: "PGM Reliable Transport Protocol"},
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+ 114: {keyword: "", protocol: "any 0-hop protocol"},
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+ 115: {keyword: "L2TP", protocol: "Layer Two Tunneling Protocol"},
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+ 116: {keyword: "DDX", protocol: "D-II Data Exchange (DDX)"},
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+ 117: {keyword: "IATP", protocol: "Interactive Agent Transfer Protocol"},
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+ 118: {keyword: "STP", protocol: "Schedule Transfer Protocol"},
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+ 119: {keyword: "SRP", protocol: "SpectraLink Radio Protocol"},
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+ 120: {keyword: "UTI", protocol: "UTI"},
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+ 121: {keyword: "SMP", protocol: "Simple Message Protocol"},
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+ 122: {keyword: "SM (deprecated)", protocol: "Simple Multicast Protocol"},
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+ 123: {keyword: "PTP", protocol: "Performance Transparency Protocol"},
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+ 124: {keyword: "ISIS over IPv4", protocol: ""},
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+ 125: {keyword: "FIRE", protocol: ""},
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+ 126: {keyword: "CRTP", protocol: "Combat Radio Transport Protocol"},
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+ 127: {keyword: "CRUDP", protocol: "Combat Radio User Datagram"},
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+ 128: {keyword: "SSCOPMCE", protocol: ""},
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+ 129: {keyword: "IPLT", protocol: ""},
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+ 130: {keyword: "SPS", protocol: "Secure Packet Shield"},
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+ 131: {keyword: "PIPE", protocol: "Private IP Encapsulation within IP"},
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+ 132: {keyword: "SCTP", protocol: "Stream Control Transmission Protocol"},
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+ 133: {keyword: "FC", protocol: "Fibre Channel"},
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+ 134: {keyword: "RSVP-E2E-IGNORE", protocol: ""},
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+ 135: {keyword: "Mobility Header", protocol: ""},
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+ 136: {keyword: "UDPLite", protocol: ""},
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+ 137: {keyword: "MPLS-in-IP", protocol: ""},
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+ 138: {keyword: "manet", protocol: "MANET Protocols"},
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+ 139: {keyword: "HIP", protocol: "Host Identity Protocol"},
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+ 140: {keyword: "Shim6", protocol: "Shim6 Protocol"},
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+ 141: {keyword: "WESP", protocol: "Wrapped Encapsulating Security Payload"},
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+ 142: {keyword: "ROHC", protocol: "Robust Header Compression"},
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+ 253: {keyword: "", protocol: "Use for experimentation and testing"},
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+ 254: {keyword: "", protocol: "Use for experimentation and testing"},
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+ 255: {keyword: "Reserved", protocol: ""}
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+ },
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+
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+
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};
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n1474335