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-rw-r--r--ipproto.c362
1 files changed, 362 insertions, 0 deletions
diff --git a/ipproto.c b/ipproto.c
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index 0000000..a3b0714
--- /dev/null
+++ b/ipproto.c
@@ -0,0 +1,362 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@gredler.at)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "ipproto.h"
+
+const struct tok ipproto_values[] = {
+ { IPPROTO_HOPOPTS, "Options" },
+ { IPPROTO_ICMP, "ICMP" },
+ { IPPROTO_IGMP, "IGMP" },
+ { IPPROTO_IPV4, "IPIP" },
+ { IPPROTO_TCP, "TCP" },
+ { IPPROTO_EGP, "EGP" },
+ { IPPROTO_PIGP, "IGRP" },
+ { IPPROTO_UDP, "UDP" },
+ { IPPROTO_DCCP, "DCCP" },
+ { IPPROTO_IPV6, "IPv6" },
+ { IPPROTO_ROUTING, "Routing" },
+ { IPPROTO_FRAGMENT, "Fragment" },
+ { IPPROTO_RSVP, "RSVP" },
+ { IPPROTO_GRE, "GRE" },
+ { IPPROTO_ESP, "ESP" },
+ { IPPROTO_AH, "AH" },
+ { IPPROTO_MOBILE, "Mobile IP" },
+ { IPPROTO_ICMPV6, "ICMPv6" },
+ { IPPROTO_MOBILITY_OLD, "Mobile IP (old)" },
+ { IPPROTO_EIGRP, "EIGRP" },
+ { IPPROTO_OSPF, "OSPF" },
+ { IPPROTO_PIM, "PIM" },
+ { IPPROTO_IPCOMP, "Compressed IP" },
+ { IPPROTO_VRRP, "VRRP" }, /* See also CARP. */
+ { IPPROTO_PGM, "PGM" },
+ { IPPROTO_SCTP, "SCTP" },
+ { IPPROTO_MOBILITY, "Mobility" },
+ { IPPROTO_ETHERNET, "Ethernet" },
+ { 0, NULL }
+};
+
+/*
+ * For completeness the number space in the array below comes from IANA:
+ * https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
+ * However, the spelling tries to match that of /etc/protocols to achieve as
+ * much consistency as possible with the previously implemented behaviour,
+ * which was based on getprotobynumber (3).
+ */
+static const char *netdb_protocol_names[256] = {
+ "hopopt", /* 0 (IPPROTO_HOPOPTS, IPv6 Hop-by-Hop Option) */
+ "icmp", /* 1 (IPPROTO_ICMP, Internet Control Message) */
+ "igmp", /* 2 (IPPROTO_IGMP, Internet Group Management) */
+ "ggp", /* 3 (Gateway-to-Gateway) */
+ "ipencap", /* 4 (IPPROTO_IPV4, IPv4 encapsulation) */
+ "st", /* 5 (Stream, ST datagram mode) */
+ "tcp", /* 6 (IPPROTO_TCP, Transmission Control) */
+ "cbt", /* 7 (CBT) */
+ "egp", /* 8 (IPPROTO_EGP, Exterior Gateway Protocol) */
+ "igp", /* 9 (IPPROTO_PIGP, "any private interior gateway
+ * (used by Cisco for their IGRP)")
+ */
+ "bbn-rcc-mon", /* 10 (BBN RCC Monitoring) */
+ "nvp-ii", /* 11 (Network Voice Protocol) */
+ "pup", /* 12 (PARC universal packet protocol) */
+ "argus", /* 13 (ARGUS) */
+ "emcon", /* 14 (EMCON) */
+ "xnet", /* 15 (Cross Net Debugger) */
+ "chaos", /* 16 (Chaos) */
+ "udp", /* 17 (IPPROTO_UDP, User Datagram) */
+ "mux", /* 18 (Multiplexing) */
+ "dcn-meas", /* 19 (DCN Measurement Subsystems) */
+ "hmp", /* 20 (Host Monitoring) */
+ "prm", /* 21 (Packet Radio Measurement) */
+ "xns-idp", /* 22 (XEROX NS IDP) */
+ "trunk-1", /* 23 (Trunk-1) */
+ "trunk-2", /* 24 (Trunk-2) */
+ "leaf-1", /* 25 (Leaf-1) */
+ "leaf-2", /* 26 (Leaf-2) */
+ "rdp", /* 27 (Reliable Data Protocol) */
+ "irtp", /* 28 (Internet Reliable Transaction) */
+ "iso-tp4", /* 29 (ISO Transport Protocol Class 4) */
+ "netblt", /* 30 (Bulk Data Transfer Protocol) */
+ "mfe-nsp", /* 31 (MFE Network Services Protocol) */
+ "merit-inp", /* 32 (MERIT Internodal Protocol) */
+ "dccp", /* 33 (IPPROTO_DCCP, Datagram Congestion
+ * Control Protocol)
+ */
+ "3pc", /* 34 (Third Party Connect Protocol) */
+ "idpr", /* 35 (Inter-Domain Policy Routing Protocol) */
+ "xtp", /* 36 (Xpress Transfer Protocol) */
+ "ddp", /* 37 (Datagram Delivery Protocol) */
+ "idpr-cmtp", /* 38 (IDPR Control Message Transport Proto) */
+ "tp++", /* 39 (TP++ Transport Protocol) */
+ "il", /* 40 (IL Transport Protocol) */
+ "ipv6", /* 41 (IPPROTO_IPV6, IPv6 encapsulation) */
+ "sdrp", /* 42 (Source Demand Routing Protocol) */
+ "ipv6-route", /* 43 (IPPROTO_ROUTING, Routing Header for IPv6) */
+ "ipv6-frag", /* 44 (IPPROTO_FRAGMENT, Fragment Header for
+ * IPv6)
+ */
+ "idrp", /* 45 (Inter-Domain Routing Protocol) */
+ "rsvp", /* 46 (IPPROTO_RSVP, Reservation Protocol) */
+ "gre", /* 47 (IPPROTO_GRE, Generic Routing
+ * Encapsulation)
+ */
+ "dsr", /* 48 (Dynamic Source Routing Protocol) */
+ "bna", /* 49 (BNA) */
+ "esp", /* 50 (IPPROTO_ESP, Encap Security Payload) */
+ "ah", /* 51 (IPPROTO_AH, Authentication Header) */
+ "i-nlsp", /* 52 (Integrated Net Layer Security TUBA) */
+ "swipe", /* 53 (IP with Encryption) */
+ "narp", /* 54 (NBMA Address Resolution Protocol) */
+ "mobile", /* 55 (IPPROTO_MOBILE, IP Mobility) */
+ "tlsp", /* 56 (Transport Layer Security Protocol using
+ * Kryptonet key management)
+ */
+ "skip", /* 57 (SKIP) */
+ "ipv6-icmp", /* 58 (IPPROTO_ICMPV6, ICMP for IPv6) */
+ "ipv6-nonxt", /* 59 (IPPROTO_NONE, No Next Header for IPv6) */
+ "ipv6-opts", /* 60 (IPPROTO_DSTOPTS, Destination Options for
+ * IPv6)
+ */
+ NULL, /* 61 (any host internal protocol) */
+ "cftp", /* 62 (IPPROTO_MOBILITY_OLD, CFTP, see the note
+ * in ipproto.h)
+ */
+ NULL, /* 63 (any local network) */
+ "sat-expak", /* 64 (SATNET and Backroom EXPAK) */
+ "kryptolan", /* 65 (Kryptolan) */
+ "rvd", /* 66 (MIT Remote Virtual Disk Protocol) */
+ "ippc", /* 67 (Internet Pluribus Packet Core) */
+ NULL, /* 68 (any distributed file system) */
+ "sat-mon", /* 69 (SATNET Monitoring) */
+ "visa", /* 70 (VISA Protocol) */
+ "ipcv", /* 71 (Internet Packet Core Utility) */
+ "cpnx", /* 72 (Computer Protocol Network Executive) */
+ "rspf", /* 73 (Radio Shortest Path First, CPHB -- Computer
+ * Protocol Heart Beat -- in IANA)
+ */
+ "wsn", /* 74 (Wang Span Network) */
+ "pvp", /* 75 (Packet Video Protocol) */
+ "br-sat-mon", /* 76 (Backroom SATNET Monitoring) */
+ "sun-nd", /* 77 (IPPROTO_ND, SUN ND PROTOCOL-Temporary) */
+ "wb-mon", /* 78 (WIDEBAND Monitoring) */
+ "wb-expak", /* 79 (WIDEBAND EXPAK) */
+ "iso-ip", /* 80 (ISO Internet Protocol) */
+ "vmtp", /* 81 (Versatile Message Transport) */
+ "secure-vmtp", /* 82 (Secure VMTP) */
+ "vines", /* 83 (VINES) */
+ "ttp", /* 84 (Transaction Transport Protocol, also IPTM --
+ * Internet Protocol Traffic Manager)
+ */
+ "nsfnet-igp", /* 85 (NSFNET-IGP) */
+ "dgp", /* 86 (Dissimilar Gateway Protocol) */
+ "tcf", /* 87 (TCF) */
+ "eigrp", /* 88 (IPPROTO_EIGRP, Cisco EIGRP) */
+ "ospf", /* 89 (IPPROTO_OSPF, Open Shortest Path First
+ * IGP)
+ */
+ "sprite-rpc", /* 90 (Sprite RPC Protocol) */
+ "larp", /* 91 (Locus Address Resolution Protocol) */
+ "mtp", /* 92 (Multicast Transport Protocol) */
+ "ax.25", /* 93 (AX.25 Frames) */
+ "ipip", /* 94 (IP-within-IP Encapsulation Protocol) */
+ "micp", /* 95 (Mobile Internetworking Control Pro.) */
+ "scc-sp", /* 96 (Semaphore Communications Sec. Pro.) */
+ "etherip", /* 97 (Ethernet-within-IP Encapsulation) */
+ "encap", /* 98 (Encapsulation Header) */
+ NULL, /* 99 (any private encryption scheme) */
+ "gmtp", /* 100 (GMTP) */
+ "ifmp", /* 101 (Ipsilon Flow Management Protocol) */
+ "pnni", /* 102 (PNNI over IP) */
+ "pim", /* 103 (IPPROTO_PIM, Protocol Independent
+ * Multicast)
+ */
+ "aris", /* 104 (ARIS) */
+ "scps", /* 105 (SCPS) */
+ "qnx", /* 106 (QNX) */
+ "a/n", /* 107 (Active Networks) */
+ "ipcomp", /* 108 (IPPROTO_IPCOMP, IP Payload Compression
+ * Protocol)
+ */
+ "snp", /* 109 (Sitara Networks Protocol) */
+ "compaq-peer", /* 110 (Compaq Peer Protocol) */
+ "ipx-in-ip", /* 111 (IPX in IP) */
+ "vrrp", /* 112 (IPPROTO_VRRP, Virtual Router Redundancy
+ * Protocol)
+ */
+ "pgm", /* 113 (IPPROTO_PGM, PGM Reliable Transport
+ * Protocol)
+ */
+ NULL, /* 114 (any 0-hop protocol) */
+ "l2tp", /* 115 (Layer Two Tunneling Protocol) */
+ "ddx", /* 116 (D-II Data Exchange (DDX)) */
+ "iatp", /* 117 (Interactive Agent Transfer Protocol) */
+ "stp", /* 118 (Schedule Transfer Protocol) */
+ "srp", /* 119 (SpectraLink Radio Protocol) */
+ "uti", /* 120 (UTI) */
+ "smp", /* 121 (Simple Message Protocol) */
+ "sm", /* 122 (Simple Multicast Protocol) */
+ "ptp", /* 123 (Performance Transparency Protocol) */
+ "isis", /* 124 (ISIS over IPv4) */
+ "fire", /* 125 (FIRE) */
+ "crtp", /* 126 (Combat Radio Transport Protocol) */
+ "crudp", /* 127 (Combat Radio User Datagram) */
+ "sscopmce", /* 128 (SSCOPMCE) */
+ "iplt", /* 129 (IPLT) */
+ "sps", /* 130 (Secure Packet Shield) */
+ "pipe", /* 131 (Private IP Encapsulation within IP) */
+ "sctp", /* 132 (IPPROTO_SCTP, Stream Control Transmission
+ * Protocol)
+ */
+ "fc", /* 133 (Fibre Channel) */
+ "rsvp-e2e-ignore", /* 134 (RSVP-E2E-IGNORE) */
+ "mobility-header", /* 135 (IPPROTO_MOBILITY, Mobility Header) */
+ "udplite", /* 136 (UDPLite) */
+ "mpls-in-ip", /* 137 (MPLS-in-IP) */
+ "manet", /* 138 (MANET Protocols) */
+ "hip", /* 139 (Host Identity Protocol) */
+ "shim6", /* 140 (Shim6 Protocol) */
+ "wesp", /* 141 (Wrapped Encapsulating Security Payload) */
+ "rohc", /* 142 (Robust Header Compression) */
+ NULL, /* 143 (unassigned) */
+ NULL, /* 144 (unassigned) */
+ NULL, /* 145 (unassigned) */
+ NULL, /* 146 (unassigned) */
+ NULL, /* 147 (unassigned) */
+ NULL, /* 148 (unassigned) */
+ NULL, /* 149 (unassigned) */
+ NULL, /* 150 (unassigned) */
+ NULL, /* 151 (unassigned) */
+ NULL, /* 152 (unassigned) */
+ NULL, /* 153 (unassigned) */
+ NULL, /* 154 (unassigned) */
+ NULL, /* 155 (unassigned) */
+ NULL, /* 156 (unassigned) */
+ NULL, /* 157 (unassigned) */
+ NULL, /* 158 (unassigned) */
+ NULL, /* 159 (unassigned) */
+ NULL, /* 160 (unassigned) */
+ NULL, /* 161 (unassigned) */
+ NULL, /* 162 (unassigned) */
+ NULL, /* 163 (unassigned) */
+ NULL, /* 164 (unassigned) */
+ NULL, /* 165 (unassigned) */
+ NULL, /* 166 (unassigned) */
+ NULL, /* 167 (unassigned) */
+ NULL, /* 168 (unassigned) */
+ NULL, /* 169 (unassigned) */
+ NULL, /* 170 (unassigned) */
+ NULL, /* 171 (unassigned) */
+ NULL, /* 172 (unassigned) */
+ NULL, /* 173 (unassigned) */
+ NULL, /* 174 (unassigned) */
+ NULL, /* 175 (unassigned) */
+ NULL, /* 176 (unassigned) */
+ NULL, /* 177 (unassigned) */
+ NULL, /* 178 (unassigned) */
+ NULL, /* 179 (unassigned) */
+ NULL, /* 180 (unassigned) */
+ NULL, /* 181 (unassigned) */
+ NULL, /* 182 (unassigned) */
+ NULL, /* 183 (unassigned) */
+ NULL, /* 184 (unassigned) */
+ NULL, /* 185 (unassigned) */
+ NULL, /* 186 (unassigned) */
+ NULL, /* 187 (unassigned) */
+ NULL, /* 188 (unassigned) */
+ NULL, /* 189 (unassigned) */
+ NULL, /* 190 (unassigned) */
+ NULL, /* 191 (unassigned) */
+ NULL, /* 192 (unassigned) */
+ NULL, /* 193 (unassigned) */
+ NULL, /* 194 (unassigned) */
+ NULL, /* 195 (unassigned) */
+ NULL, /* 196 (unassigned) */
+ NULL, /* 197 (unassigned) */
+ NULL, /* 198 (unassigned) */
+ NULL, /* 199 (unassigned) */
+ NULL, /* 200 (unassigned) */
+ NULL, /* 201 (unassigned) */
+ NULL, /* 202 (unassigned) */
+ NULL, /* 203 (unassigned) */
+ NULL, /* 204 (unassigned) */
+ NULL, /* 205 (unassigned) */
+ NULL, /* 206 (unassigned) */
+ NULL, /* 207 (unassigned) */
+ NULL, /* 208 (unassigned) */
+ NULL, /* 209 (unassigned) */
+ NULL, /* 210 (unassigned) */
+ NULL, /* 211 (unassigned) */
+ NULL, /* 212 (unassigned) */
+ NULL, /* 213 (unassigned) */
+ NULL, /* 214 (unassigned) */
+ NULL, /* 215 (unassigned) */
+ NULL, /* 216 (unassigned) */
+ NULL, /* 217 (unassigned) */
+ NULL, /* 218 (unassigned) */
+ NULL, /* 219 (unassigned) */
+ NULL, /* 220 (unassigned) */
+ NULL, /* 221 (unassigned) */
+ NULL, /* 222 (unassigned) */
+ NULL, /* 223 (unassigned) */
+ NULL, /* 224 (unassigned) */
+ NULL, /* 225 (unassigned) */
+ NULL, /* 226 (unassigned) */
+ NULL, /* 227 (unassigned) */
+ NULL, /* 228 (unassigned) */
+ NULL, /* 229 (unassigned) */
+ NULL, /* 230 (unassigned) */
+ NULL, /* 231 (unassigned) */
+ NULL, /* 232 (unassigned) */
+ NULL, /* 233 (unassigned) */
+ NULL, /* 234 (unassigned) */
+ NULL, /* 235 (unassigned) */
+ NULL, /* 236 (unassigned) */
+ NULL, /* 237 (unassigned) */
+ NULL, /* 238 (unassigned) */
+ NULL, /* 239 (unassigned) */
+ NULL, /* 240 (unassigned) */
+ NULL, /* 241 (unassigned) */
+ NULL, /* 242 (unassigned) */
+ NULL, /* 243 (unassigned) */
+ NULL, /* 244 (unassigned) */
+ NULL, /* 245 (unassigned) */
+ NULL, /* 246 (unassigned) */
+ NULL, /* 247 (unassigned) */
+ NULL, /* 248 (unassigned) */
+ NULL, /* 249 (unassigned) */
+ NULL, /* 250 (unassigned) */
+ NULL, /* 251 (unassigned) */
+ NULL, /* 252 (unassigned) */
+ "exptest-253", /* 253 (Use for experimentation and testing,
+ * RFC 3692)
+ */
+ "exptest-254", /* 254 (Use for experimentation and testing,
+ * RFC 3692)
+ */
+ "reserved", /* 255 (reserved) */
+};
+
+/* The function enforces the array index to be 8-bit. */
+const char *
+netdb_protoname (const uint8_t protoid)
+{
+ return netdb_protocol_names[protoid];
+}