diff --git a/src/css/structure/overrides.css b/src/css/structure/overrides.css index 818ff04a..51c27627 100755 --- a/src/css/structure/overrides.css +++ b/src/css/structure/overrides.css @@ -77,6 +77,10 @@ optgroup { content: ""; } +.table-nonfluid { + width: auto !important; +} + /* Bootstrap-switch */ diff --git a/src/js/config/Categories.js b/src/js/config/Categories.js index 2611f300..3a84b0ef 100755 --- a/src/js/config/Categories.js +++ b/src/js/config/Categories.js @@ -127,6 +127,7 @@ var Categories = [ "Parse User Agent", "Parse IP range", "Parse IPv6 address", + "Parse IPv4 header", "Parse URI", "URL Encode", "URL Decode", diff --git a/src/js/config/OperationConfig.js b/src/js/config/OperationConfig.js index b0dfc735..e8e3a881 100755 --- a/src/js/config/OperationConfig.js +++ b/src/js/config/OperationConfig.js @@ -791,11 +791,24 @@ var OperationConfig = { }, "Parse IPv6 address": { description: "Displays the longhand and shorthand versions of a valid IPv6 address.

Recognises all reserved ranges and parses encapsulated or tunnelled addresses including Teredo and 6to4.", - run: IP.runParseIpv6, + run: IP.runParseIPv6, inputType: "string", outputType: "string", args: [] }, + "Parse IPv4 header": { + description: "Given an IPv4 header, this operations parses and displays each field in an easily readable format.", + run: IP.runParseIPv4Header, + inputType: "string", + outputType: "html", + args: [ + { + name: "Input format", + type: "option", + value: IP.IP_HEADER_FORMAT + } + ] + }, "Text encoding": { description: "Translates the data between different character encodings.

Supported charsets are:", run: CharEnc.run, @@ -2034,7 +2047,7 @@ var OperationConfig = { ] }, "Regular expression": { - description: "Define your own regular expression to search the input data with, optionally choosing from a list of pre-defined patterns.", + description: "Define your own regular expression (regex) to search the input data with, optionally choosing from a list of pre-defined patterns.", run: StrUtils.runRegex, manualBake: true, inputType: "string", diff --git a/src/js/operations/IP.js b/src/js/operations/IP.js index a8df40d0..54302eb8 100755 --- a/src/js/operations/IP.js +++ b/src/js/operations/IP.js @@ -1,4 +1,4 @@ -/* globals BigInteger */ +/* globals BigInteger, Checksum */ /** * Internet Protocol address operations. @@ -78,7 +78,7 @@ var IP = { * @param {Object[]} args * @returns {string} */ - runParseIpv6: function (input, args) { + runParseIPv6: function (input, args) { var match, output = ""; @@ -401,6 +401,102 @@ var IP = { }, + /** + * @constant + * @default + */ + IP_HEADER_FORMAT: ["Hex", "Raw"], + + /** + * Parse IPv4 header operation. + * + * @param {byteArray} input + * @param {Object[]} args + * @returns {html} + */ + runParseIPv4Header: function(input, args) { + var format = args[0], + output; + + if (format === "Hex") { + input = Utils.fromHex(input); + } else if (format === "Raw") { + input = Utils.strToByteArray(input); + } else { + return "Unrecognised input format."; + } + + var version = (input[0] >>> 4) & 0x0f, + ihl = input[0] & 0x0f, + dscp = (input[1] >>> 2) & 0x3f, + ecn = input[1] & 0x03, + length = input[2] << 8 | input[3], + identification = input[4] << 8 | input[5], + flags = (input[6] >>> 5) & 0x07, + fragOffset = (input[6] & 0x1f) << 8 | input[7], + ttl = input[8], + protocol = input[9], + checksum = input[10] << 8 | input[11], + srcIP = input[12] << 24 | input[13] << 16 | input[14] << 8 | input[15], + dstIP = input[16] << 24 | input[17] << 16 | input[18] << 8 | input[19], + checksumHeader = input.slice(0, 10).concat([0, 0]).concat(input.slice(12, 20)), + options = []; + + // Version + if (version !== 4) { + version = version + " (Error: for IPv4 headers, this should always be set to 4)"; + } + + // IHL + if (ihl < 5) { + ihl = ihl + " (Error: this should always be at least 5)"; + } else if (ihl > 5) { + // sort out options... + var optionsLen = ihl * 4 - 20; + options = input.slice(20, optionsLen + 20); + } + + // Protocol + var protocolInfo = IP._protocolLookup[protocol] || {keyword: "", protocol: ""}; + + // Checksum + var correctChecksum = Checksum.runTCPIP(checksumHeader, []), + givenChecksum = Utils.hex(checksum), + checksumResult; + if (correctChecksum === givenChecksum) { + checksumResult = givenChecksum + " (correct)"; + } else { + checksumResult = givenChecksum + " (incorrect, should be " + correctChecksum + ")"; + } + + output = "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + "" + + ""; + + if (ihl > 5) { + output += ""; + } + + return output + "
FieldValue
Version" + version + "
Internet Header Length (IHL)" + ihl + " (" + (ihl * 4) + " bytes)
Differentiated Services Code Point (DSCP)" + dscp + "
Explicit Congestion Notification (ECN)" + ecn + "
Total length" + length + " bytes" + + "\n IP header: " + (ihl * 4) + " bytes" + + "\n Data: " + (length - ihl * 4) + " bytes
Identification0x" + Utils.hex(identification) + " (" + identification + ")
Flags0x" + Utils.hex(flags, 2) + + "\n Reserved bit:" + (flags >> 2) + " (must be 0)" + + "\n Don't fragment:" + (flags >> 1 & 1) + + "\n More fragments:" + (flags & 1) + "
Fragment offset" + fragOffset + "
Time-To-Live" + ttl + "
Protocol" + protocol + ", " + protocolInfo.protocol + " (" + protocolInfo.keyword + ")
Header checksum" + checksumResult + "
Source IP address" + IP._ipv4ToStr(srcIP) + "
Destination IP address" + IP._ipv4ToStr(dstIP) + "
Options" + Utils.byteArrayToHex(options) + "
"; + }, + + /** * @constant * @default @@ -804,4 +900,162 @@ var IP = { return range; }, + + /** + * Lookup table for Internet Protocols. + * Taken from https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml + * + * @private + * @constant + */ + _protocolLookup: { + 0: {keyword: "HOPOPT", protocol: "IPv6 Hop-by-Hop Option"}, + 1: {keyword: "ICMP", protocol: "Internet Control Message"}, + 2: {keyword: "IGMP", protocol: "Internet Group Management"}, + 3: {keyword: "GGP", protocol: "Gateway-to-Gateway"}, + 4: {keyword: "IPv4", protocol: "IPv4 encapsulation"}, + 5: {keyword: "ST", protocol: "Stream"}, + 6: {keyword: "TCP", protocol: "Transmission Control"}, + 7: {keyword: "CBT", protocol: "CBT"}, + 8: {keyword: "EGP", protocol: "Exterior Gateway Protocol"}, + 9: {keyword: "IGP", protocol: "any private interior gateway (used by Cisco for their IGRP)"}, + 10: {keyword: "BBN-RCC-MON", protocol: "BBN RCC Monitoring"}, + 11: {keyword: "NVP-II", protocol: "Network Voice Protocol"}, + 12: {keyword: "PUP", protocol: "PUP"}, + 13: {keyword: "ARGUS (deprecated)", protocol: "ARGUS"}, + 14: {keyword: "EMCON", protocol: "EMCON"}, + 15: {keyword: "XNET", protocol: "Cross Net Debugger"}, + 16: {keyword: "CHAOS", protocol: "Chaos"}, + 17: {keyword: "UDP", protocol: "User Datagram"}, + 18: {keyword: "MUX", protocol: "Multiplexing"}, + 19: {keyword: "DCN-MEAS", protocol: "DCN Measurement Subsystems"}, + 20: {keyword: "HMP", protocol: "Host Monitoring"}, + 21: {keyword: "PRM", protocol: "Packet Radio Measurement"}, + 22: {keyword: "XNS-IDP", protocol: "XEROX NS IDP"}, + 23: {keyword: "TRUNK-1", protocol: "Trunk-1"}, + 24: {keyword: "TRUNK-2", protocol: "Trunk-2"}, + 25: {keyword: "LEAF-1", protocol: "Leaf-1"}, + 26: {keyword: "LEAF-2", protocol: "Leaf-2"}, + 27: {keyword: "RDP", protocol: "Reliable Data Protocol"}, + 28: {keyword: "IRTP", protocol: "Internet Reliable Transaction"}, + 29: {keyword: "ISO-TP4", protocol: "ISO Transport Protocol Class 4"}, + 30: {keyword: "NETBLT", protocol: "Bulk Data Transfer Protocol"}, + 31: {keyword: "MFE-NSP", protocol: "MFE Network Services Protocol"}, + 32: {keyword: "MERIT-INP", protocol: "MERIT Internodal Protocol"}, + 33: {keyword: "DCCP", protocol: "Datagram Congestion Control Protocol"}, + 34: {keyword: "3PC", protocol: "Third Party Connect Protocol"}, + 35: {keyword: "IDPR", protocol: "Inter-Domain Policy Routing Protocol"}, + 36: {keyword: "XTP", protocol: "XTP"}, + 37: {keyword: "DDP", protocol: "Datagram Delivery Protocol"}, + 38: {keyword: "IDPR-CMTP", protocol: "IDPR Control Message Transport Proto"}, + 39: {keyword: "TP++", protocol: "TP++ Transport Protocol"}, + 40: {keyword: "IL", protocol: "IL Transport Protocol"}, + 41: {keyword: "IPv6", protocol: "IPv6 encapsulation"}, + 42: {keyword: "SDRP", protocol: "Source Demand Routing Protocol"}, + 43: {keyword: "IPv6-Route", protocol: "Routing Header for IPv6"}, + 44: {keyword: "IPv6-Frag", protocol: "Fragment Header for IPv6"}, + 45: {keyword: "IDRP", protocol: "Inter-Domain Routing Protocol"}, + 46: {keyword: "RSVP", protocol: "Reservation Protocol"}, + 47: {keyword: "GRE", protocol: "Generic Routing Encapsulation"}, + 48: {keyword: "DSR", protocol: "Dynamic Source Routing Protocol"}, + 49: {keyword: "BNA", protocol: "BNA"}, + 50: {keyword: "ESP", protocol: "Encap Security Payload"}, + 51: {keyword: "AH", protocol: "Authentication Header"}, + 52: {keyword: "I-NLSP", protocol: "Integrated Net Layer Security TUBA"}, + 53: {keyword: "SWIPE (deprecated)", protocol: "IP with Encryption"}, + 54: {keyword: "NARP", protocol: "NBMA Address Resolution Protocol"}, + 55: {keyword: "MOBILE", protocol: "IP Mobility"}, + 56: {keyword: "TLSP", protocol: "Transport Layer Security Protocol using Kryptonet key management"}, + 57: {keyword: "SKIP", protocol: "SKIP"}, + 58: {keyword: "IPv6-ICMP", protocol: "ICMP for IPv6"}, + 59: {keyword: "IPv6-NoNxt", protocol: "No Next Header for IPv6"}, + 60: {keyword: "IPv6-Opts", protocol: "Destination Options for IPv6"}, + 61: {keyword: "", protocol: "any host internal protocol"}, + 62: {keyword: "CFTP", protocol: "CFTP"}, + 63: {keyword: "", protocol: "any local network"}, + 64: {keyword: "SAT-EXPAK", protocol: "SATNET and Backroom EXPAK"}, + 65: {keyword: "KRYPTOLAN", protocol: "Kryptolan"}, + 66: {keyword: "RVD", protocol: "MIT Remote Virtual Disk Protocol"}, + 67: {keyword: "IPPC", protocol: "Internet Pluribus Packet Core"}, + 68: {keyword: "", protocol: "any distributed file system"}, + 69: {keyword: "SAT-MON", protocol: "SATNET Monitoring"}, + 70: {keyword: "VISA", protocol: "VISA Protocol"}, + 71: {keyword: "IPCV", protocol: "Internet Packet Core Utility"}, + 72: {keyword: "CPNX", protocol: "Computer Protocol Network Executive"}, + 73: {keyword: "CPHB", protocol: "Computer Protocol Heart Beat"}, + 74: {keyword: "WSN", protocol: "Wang Span Network"}, + 75: {keyword: "PVP", protocol: "Packet Video Protocol"}, + 76: {keyword: "BR-SAT-MON", protocol: "Backroom SATNET Monitoring"}, + 77: {keyword: "SUN-ND", protocol: "SUN ND PROTOCOL-Temporary"}, + 78: {keyword: "WB-MON", protocol: "WIDEBAND Monitoring"}, + 79: {keyword: "WB-EXPAK", protocol: "WIDEBAND EXPAK"}, + 80: {keyword: "ISO-IP", protocol: "ISO Internet Protocol"}, + 81: {keyword: "VMTP", protocol: "VMTP"}, + 82: {keyword: "SECURE-VMTP", protocol: "SECURE-VMTP"}, + 83: {keyword: "VINES", protocol: "VINES"}, + 84: {keyword: "TTP", protocol: "Transaction Transport Protocol"}, + 85: {keyword: "NSFNET-IGP", protocol: "NSFNET-IGP"}, + 86: {keyword: "DGP", protocol: "Dissimilar Gateway Protocol"}, + 87: {keyword: "TCF", protocol: "TCF"}, + 88: {keyword: "EIGRP", protocol: "EIGRP"}, + 89: {keyword: "OSPFIGP", protocol: "OSPFIGP"}, + 90: {keyword: "Sprite-RPC", protocol: "Sprite RPC Protocol"}, + 91: {keyword: "LARP", protocol: "Locus Address Resolution Protocol"}, + 92: {keyword: "MTP", protocol: "Multicast Transport Protocol"}, + 93: {keyword: "AX.25", protocol: "AX.25 Frames"}, + 94: {keyword: "IPIP", protocol: "IP-within-IP Encapsulation Protocol"}, + 95: {keyword: "MICP (deprecated)", protocol: "Mobile Internetworking Control Pro."}, + 96: {keyword: "SCC-SP", protocol: "Semaphore Communications Sec. Pro."}, + 97: {keyword: "ETHERIP", protocol: "Ethernet-within-IP Encapsulation"}, + 98: {keyword: "ENCAP", protocol: "Encapsulation Header"}, + 99: {keyword: "", protocol: "any private encryption scheme"}, + 100: {keyword: "GMTP", protocol: "GMTP"}, + 101: {keyword: "IFMP", protocol: "Ipsilon Flow Management Protocol"}, + 102: {keyword: "PNNI", protocol: "PNNI over IP"}, + 103: {keyword: "PIM", protocol: "Protocol Independent Multicast"}, + 104: {keyword: "ARIS", protocol: "ARIS"}, + 105: {keyword: "SCPS", protocol: "SCPS"}, + 106: {keyword: "QNX", protocol: "QNX"}, + 107: {keyword: "A/N", protocol: "Active Networks"}, + 108: {keyword: "IPComp", protocol: "IP Payload Compression Protocol"}, + 109: {keyword: "SNP", protocol: "Sitara Networks Protocol"}, + 110: {keyword: "Compaq-Peer", protocol: "Compaq Peer Protocol"}, + 111: {keyword: "IPX-in-IP", protocol: "IPX in IP"}, + 112: {keyword: "VRRP", protocol: "Virtual Router Redundancy Protocol"}, + 113: {keyword: "PGM", protocol: "PGM Reliable Transport Protocol"}, + 114: {keyword: "", protocol: "any 0-hop protocol"}, + 115: {keyword: "L2TP", protocol: "Layer Two Tunneling Protocol"}, + 116: {keyword: "DDX", protocol: "D-II Data Exchange (DDX)"}, + 117: {keyword: "IATP", protocol: "Interactive Agent Transfer Protocol"}, + 118: {keyword: "STP", protocol: "Schedule Transfer Protocol"}, + 119: {keyword: "SRP", protocol: "SpectraLink Radio Protocol"}, + 120: {keyword: "UTI", protocol: "UTI"}, + 121: {keyword: "SMP", protocol: "Simple Message Protocol"}, + 122: {keyword: "SM (deprecated)", protocol: "Simple Multicast Protocol"}, + 123: {keyword: "PTP", protocol: "Performance Transparency Protocol"}, + 124: {keyword: "ISIS over IPv4", protocol: ""}, + 125: {keyword: "FIRE", protocol: ""}, + 126: {keyword: "CRTP", protocol: "Combat Radio Transport Protocol"}, + 127: {keyword: "CRUDP", protocol: "Combat Radio User Datagram"}, + 128: {keyword: "SSCOPMCE", protocol: ""}, + 129: {keyword: "IPLT", protocol: ""}, + 130: {keyword: "SPS", protocol: "Secure Packet Shield"}, + 131: {keyword: "PIPE", protocol: "Private IP Encapsulation within IP"}, + 132: {keyword: "SCTP", protocol: "Stream Control Transmission Protocol"}, + 133: {keyword: "FC", protocol: "Fibre Channel"}, + 134: {keyword: "RSVP-E2E-IGNORE", protocol: ""}, + 135: {keyword: "Mobility Header", protocol: ""}, + 136: {keyword: "UDPLite", protocol: ""}, + 137: {keyword: "MPLS-in-IP", protocol: ""}, + 138: {keyword: "manet", protocol: "MANET Protocols"}, + 139: {keyword: "HIP", protocol: "Host Identity Protocol"}, + 140: {keyword: "Shim6", protocol: "Shim6 Protocol"}, + 141: {keyword: "WESP", protocol: "Wrapped Encapsulating Security Payload"}, + 142: {keyword: "ROHC", protocol: "Robust Header Compression"}, + 253: {keyword: "", protocol: "Use for experimentation and testing"}, + 254: {keyword: "", protocol: "Use for experimentation and testing"}, + 255: {keyword: "Reserved", protocol: ""} + }, + + }; diff --git a/src/static/stats.txt b/src/static/stats.txt index ae49c36f..c66f7e76 100644 --- a/src/static/stats.txt +++ b/src/static/stats.txt @@ -18,4 +18,4 @@ 1.9M compressed JavaScript size 15 categories -176 operations +177 operations