mirror of
https://git.FreeBSD.org/src.git
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0bff6a5af8
It contains many fixes, including bounds checking, buffer overflows (in SLIP and bittok2str_internal), buffer over-reads, and infinite loops. One other notable change: Do not use getprotobynumber() for protocol name resolution. Do not do any protocol name resolution if -n is specified. Submitted by: gordon Reviewed by: delphij, emaste, glebius MFC after: 1 week Relnotes: Yes Security: CVE-2017-11108, CVE-2017-11541, CVE-2017-11542 Security: CVE-2017-11543, CVE-2017-12893, CVE-2017-12894 Security: CVE-2017-12895, CVE-2017-12896, CVE-2017-12897 Security: CVE-2017-12898, CVE-2017-12899, CVE-2017-12900 Security: CVE-2017-12901, CVE-2017-12902, CVE-2017-12985 Security: CVE-2017-12986, CVE-2017-12987, CVE-2017-12988 Security: CVE-2017-12989, CVE-2017-12990, CVE-2017-12991 Security: CVE-2017-12992, CVE-2017-12993, CVE-2017-12994 Security: CVE-2017-12995, CVE-2017-12996, CVE-2017-12997 Security: CVE-2017-12998, CVE-2017-12999, CVE-2017-13000 Security: CVE-2017-13001, CVE-2017-13002, CVE-2017-13003 Security: CVE-2017-13004, CVE-2017-13005, CVE-2017-13006 Security: CVE-2017-13007, CVE-2017-13008, CVE-2017-13009 Security: CVE-2017-13010, CVE-2017-13011, CVE-2017-13012 Security: CVE-2017-13013, CVE-2017-13014, CVE-2017-13015 Security: CVE-2017-13016, CVE-2017-13017, CVE-2017-13018 Security: CVE-2017-13019, CVE-2017-13020, CVE-2017-13021 Security: CVE-2017-13022, CVE-2017-13023, CVE-2017-13024 Security: CVE-2017-13025, CVE-2017-13026, CVE-2017-13027 Security: CVE-2017-13028, CVE-2017-13029, CVE-2017-13030 Security: CVE-2017-13031, CVE-2017-13032, CVE-2017-13033 Security: CVE-2017-13034, CVE-2017-13035, CVE-2017-13036 Security: CVE-2017-13037, CVE-2017-13038, CVE-2017-13039 Security: CVE-2017-13040, CVE-2017-13041, CVE-2017-13042 Security: CVE-2017-13043, CVE-2017-13044, CVE-2017-13045 Security: CVE-2017-13046, CVE-2017-13047, CVE-2017-13048 Security: CVE-2017-13049, CVE-2017-13050, CVE-2017-13051 Security: CVE-2017-13052, CVE-2017-13053, CVE-2017-13054 Security: CVE-2017-13055, CVE-2017-13687, CVE-2017-13688 Security: CVE-2017-13689, CVE-2017-13690, CVE-2017-13725 Differential Revision: https://reviews.freebsd.org/D12404
364 lines
16 KiB
C
364 lines
16 KiB
C
/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* Original code by Hannes Gredler (hannes@gredler.at)
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <netdissect-stdinc.h>
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#include "netdissect.h"
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#include "ipproto.h"
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const struct tok ipproto_values[] = {
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{ IPPROTO_HOPOPTS, "Options" },
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{ IPPROTO_ICMP, "ICMP" },
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{ IPPROTO_IGMP, "IGMP" },
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{ IPPROTO_IPV4, "IPIP" },
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{ IPPROTO_TCP, "TCP" },
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{ IPPROTO_EGP, "EGP" },
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{ IPPROTO_PIGP, "IGRP" },
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{ IPPROTO_UDP, "UDP" },
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{ IPPROTO_DCCP, "DCCP" },
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{ IPPROTO_IPV6, "IPv6" },
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{ IPPROTO_ROUTING, "Routing" },
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{ IPPROTO_FRAGMENT, "Fragment" },
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{ IPPROTO_RSVP, "RSVP" },
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{ IPPROTO_GRE, "GRE" },
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{ IPPROTO_ESP, "ESP" },
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{ IPPROTO_AH, "AH" },
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{ IPPROTO_MOBILE, "Mobile IP" },
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{ IPPROTO_ICMPV6, "ICMPv6" },
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{ IPPROTO_MOBILITY_OLD, "Mobile IP (old)" },
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{ IPPROTO_EIGRP, "EIGRP" },
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{ IPPROTO_OSPF, "OSPF" },
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{ IPPROTO_PIM, "PIM" },
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{ IPPROTO_IPCOMP, "Compressed IP" },
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{ IPPROTO_VRRP, "VRRP" },
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{ IPPROTO_PGM, "PGM" },
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{ IPPROTO_SCTP, "SCTP" },
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{ IPPROTO_MOBILITY, "Mobility" },
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{ IPPROTO_CARP, "CARP" },
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{ IPPROTO_PFSYNC, "pfsync" },
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{ 0, NULL }
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};
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/*
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* For completeness the number space in the array below comes from IANA:
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* https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
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* However, the spelling tries to match that of /etc/protocols to achieve as
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* much consistency as possible with the previously implemented behaviour,
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* which was based on getprotobynumber (3).
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*/
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static const char *netdb_protocol_names[256] = {
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"hopopt", /* 0 (IPPROTO_HOPOPTS, IPv6 Hop-by-Hop Option) */
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"icmp", /* 1 (IPPROTO_ICMP, Internet Control Message) */
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"igmp", /* 2 (IPPROTO_IGMP, Internet Group Management) */
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"ggp", /* 3 (Gateway-to-Gateway) */
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"ipencap", /* 4 (IPPROTO_IPV4, IPv4 encapsulation) */
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"st", /* 5 (Stream, ST datagram mode) */
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"tcp", /* 6 (IPPROTO_TCP, Transmission Control) */
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"cbt", /* 7 (CBT) */
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"egp", /* 8 (IPPROTO_EGP, Exterior Gateway Protocol) */
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"igp", /* 9 (IPPROTO_PIGP, "any private interior gateway
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* (used by Cisco for their IGRP)")
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*/
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"bbn-rcc-mon", /* 10 (BBN RCC Monitoring) */
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"nvp-ii", /* 11 (Network Voice Protocol) */
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"pup", /* 12 (PARC universal packet protocol) */
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"argus", /* 13 (ARGUS) */
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"emcon", /* 14 (EMCON) */
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"xnet", /* 15 (Cross Net Debugger) */
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"chaos", /* 16 (Chaos) */
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"udp", /* 17 (IPPROTO_UDP, User Datagram) */
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"mux", /* 18 (Multiplexing) */
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"dcn-meas", /* 19 (DCN Measurement Subsystems) */
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"hmp", /* 20 (Host Monitoring) */
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"prm", /* 21 (Packet Radio Measurement) */
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"xns-idp", /* 22 (XEROX NS IDP) */
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"trunk-1", /* 23 (Trunk-1) */
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"trunk-2", /* 24 (Trunk-2) */
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"leaf-1", /* 25 (Leaf-1) */
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"leaf-2", /* 26 (Leaf-2) */
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"rdp", /* 27 (Reliable Data Protocol) */
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"irtp", /* 28 (Internet Reliable Transaction) */
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"iso-tp4", /* 29 (ISO Transport Protocol Class 4) */
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"netblt", /* 30 (Bulk Data Transfer Protocol) */
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"mfe-nsp", /* 31 (MFE Network Services Protocol) */
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"merit-inp", /* 32 (MERIT Internodal Protocol) */
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"dccp", /* 33 (IPPROTO_DCCP, Datagram Congestion
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* Control Protocol)
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*/
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"3pc", /* 34 (Third Party Connect Protocol) */
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"idpr", /* 35 (Inter-Domain Policy Routing Protocol) */
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"xtp", /* 36 (Xpress Transfer Protocol) */
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"ddp", /* 37 (Datagram Delivery Protocol) */
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"idpr-cmtp", /* 38 (IDPR Control Message Transport Proto) */
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"tp++", /* 39 (TP++ Transport Protocol) */
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"il", /* 40 (IL Transport Protocol) */
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"ipv6", /* 41 (IPPROTO_IPV6, IPv6 encapsulation) */
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"sdrp", /* 42 (Source Demand Routing Protocol) */
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"ipv6-route", /* 43 (IPPROTO_ROUTING, Routing Header for IPv6) */
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"ipv6-frag", /* 44 (IPPROTO_FRAGMENT, Fragment Header for
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* IPv6)
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*/
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"idrp", /* 45 (Inter-Domain Routing Protocol) */
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"rsvp", /* 46 (IPPROTO_RSVP, Reservation Protocol) */
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"gre", /* 47 (IPPROTO_GRE, Generic Routing
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* Encapsulation)
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*/
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"dsr", /* 48 (Dynamic Source Routing Protocol) */
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"bna", /* 49 (BNA) */
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"esp", /* 50 (IPPROTO_ESP, Encap Security Payload) */
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"ah", /* 51 (IPPROTO_AH, Authentication Header) */
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"i-nlsp", /* 52 (Integrated Net Layer Security TUBA) */
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"swipe", /* 53 (IP with Encryption) */
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"narp", /* 54 (NBMA Address Resolution Protocol) */
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"mobile", /* 55 (IPPROTO_MOBILE, IP Mobility) */
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"tlsp", /* 56 (Transport Layer Security Protocol using
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* Kryptonet key management)
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*/
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"skip", /* 57 (SKIP) */
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"ipv6-icmp", /* 58 (IPPROTO_ICMPV6, ICMP for IPv6) */
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"ipv6-nonxt", /* 59 (IPPROTO_NONE, No Next Header for IPv6) */
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"ipv6-opts", /* 60 (IPPROTO_DSTOPTS, Destination Options for
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* IPv6)
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*/
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NULL, /* 61 (any host internal protocol) */
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"cftp", /* 62 (IPPROTO_MOBILITY_OLD, CFTP, see the note
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* in ipproto.h)
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*/
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NULL, /* 63 (any local network) */
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"sat-expak", /* 64 (SATNET and Backroom EXPAK) */
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"kryptolan", /* 65 (Kryptolan) */
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"rvd", /* 66 (MIT Remote Virtual Disk Protocol) */
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"ippc", /* 67 (Internet Pluribus Packet Core) */
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NULL, /* 68 (any distributed file system) */
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"sat-mon", /* 69 (SATNET Monitoring) */
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"visa", /* 70 (VISA Protocol) */
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"ipcv", /* 71 (Internet Packet Core Utility) */
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"cpnx", /* 72 (Computer Protocol Network Executive) */
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"rspf", /* 73 (Radio Shortest Path First, CPHB -- Computer
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* Protocol Heart Beat -- in IANA)
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*/
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"wsn", /* 74 (Wang Span Network) */
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"pvp", /* 75 (Packet Video Protocol) */
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"br-sat-mon", /* 76 (Backroom SATNET Monitoring) */
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"sun-nd", /* 77 (IPPROTO_ND, SUN ND PROTOCOL-Temporary) */
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"wb-mon", /* 78 (WIDEBAND Monitoring) */
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"wb-expak", /* 79 (WIDEBAND EXPAK) */
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"iso-ip", /* 80 (ISO Internet Protocol) */
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"vmtp", /* 81 (Versatile Message Transport) */
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"secure-vmtp", /* 82 (Secure VMTP) */
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"vines", /* 83 (VINES) */
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"ttp", /* 84 (Transaction Transport Protocol, also IPTM --
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* Internet Protocol Traffic Manager)
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*/
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"nsfnet-igp", /* 85 (NSFNET-IGP) */
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"dgp", /* 86 (Dissimilar Gateway Protocol) */
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"tcf", /* 87 (TCF) */
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"eigrp", /* 88 (IPPROTO_EIGRP, Cisco EIGRP) */
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"ospf", /* 89 (IPPROTO_OSPF, Open Shortest Path First
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* IGP)
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*/
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"sprite-rpc", /* 90 (Sprite RPC Protocol) */
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"larp", /* 91 (Locus Address Resolution Protocol) */
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"mtp", /* 92 (Multicast Transport Protocol) */
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"ax.25", /* 93 (AX.25 Frames) */
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"ipip", /* 94 (IP-within-IP Encapsulation Protocol) */
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"micp", /* 95 (Mobile Internetworking Control Pro.) */
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"scc-sp", /* 96 (Semaphore Communications Sec. Pro.) */
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"etherip", /* 97 (Ethernet-within-IP Encapsulation) */
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"encap", /* 98 (Encapsulation Header) */
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NULL, /* 99 (any private encryption scheme) */
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"gmtp", /* 100 (GMTP) */
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"ifmp", /* 101 (Ipsilon Flow Management Protocol) */
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"pnni", /* 102 (PNNI over IP) */
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"pim", /* 103 (IPPROTO_PIM, Protocol Independent
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* Multicast)
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*/
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"aris", /* 104 (ARIS) */
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"scps", /* 105 (SCPS) */
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"qnx", /* 106 (QNX) */
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"a/n", /* 107 (Active Networks) */
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"ipcomp", /* 108 (IPPROTO_IPCOMP, IP Payload Compression
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* Protocol)
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*/
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"snp", /* 109 (Sitara Networks Protocol) */
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"compaq-peer", /* 110 (Compaq Peer Protocol) */
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"ipx-in-ip", /* 111 (IPX in IP) */
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"vrrp", /* 112 (IPPROTO_VRRP, Virtual Router Redundancy
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* Protocol)
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*/
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"pgm", /* 113 (IPPROTO_PGM, PGM Reliable Transport
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* Protocol)
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*/
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NULL, /* 114 (any 0-hop protocol) */
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"l2tp", /* 115 (Layer Two Tunneling Protocol) */
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"ddx", /* 116 (D-II Data Exchange (DDX)) */
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"iatp", /* 117 (Interactive Agent Transfer Protocol) */
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"stp", /* 118 (Schedule Transfer Protocol) */
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"srp", /* 119 (SpectraLink Radio Protocol) */
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"uti", /* 120 (UTI) */
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"smp", /* 121 (Simple Message Protocol) */
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"sm", /* 122 (Simple Multicast Protocol) */
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"ptp", /* 123 (Performance Transparency Protocol) */
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"isis", /* 124 (ISIS over IPv4) */
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"fire", /* 125 (FIRE) */
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"crtp", /* 126 (Combat Radio Transport Protocol) */
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"crudp", /* 127 (Combat Radio User Datagram) */
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"sscopmce", /* 128 (SSCOPMCE) */
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"iplt", /* 129 (IPLT) */
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"sps", /* 130 (Secure Packet Shield) */
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"pipe", /* 131 (Private IP Encapsulation within IP) */
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"sctp", /* 132 (IPPROTO_SCTP, Stream Control Transmission
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* Protocol)
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*/
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"fc", /* 133 (Fibre Channel) */
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"rsvp-e2e-ignore", /* 134 (RSVP-E2E-IGNORE) */
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"mobility-header", /* 135 (IPPROTO_MOBILITY, Mobility Header) */
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"udplite", /* 136 (UDPLite) */
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"mpls-in-ip", /* 137 (MPLS-in-IP) */
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"manet", /* 138 (MANET Protocols) */
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"hip", /* 139 (Host Identity Protocol) */
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"shim6", /* 140 (Shim6 Protocol) */
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"wesp", /* 141 (Wrapped Encapsulating Security Payload) */
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"rohc", /* 142 (Robust Header Compression) */
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NULL, /* 143 (unassigned) */
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NULL, /* 144 (unassigned) */
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NULL, /* 145 (unassigned) */
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NULL, /* 146 (unassigned) */
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NULL, /* 147 (unassigned) */
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NULL, /* 148 (unassigned) */
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NULL, /* 149 (unassigned) */
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NULL, /* 150 (unassigned) */
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NULL, /* 151 (unassigned) */
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NULL, /* 152 (unassigned) */
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NULL, /* 153 (unassigned) */
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NULL, /* 154 (unassigned) */
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NULL, /* 155 (unassigned) */
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NULL, /* 156 (unassigned) */
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NULL, /* 157 (unassigned) */
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NULL, /* 158 (unassigned) */
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NULL, /* 159 (unassigned) */
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NULL, /* 160 (unassigned) */
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NULL, /* 161 (unassigned) */
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NULL, /* 162 (unassigned) */
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NULL, /* 163 (unassigned) */
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NULL, /* 164 (unassigned) */
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NULL, /* 165 (unassigned) */
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NULL, /* 166 (unassigned) */
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NULL, /* 167 (unassigned) */
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NULL, /* 168 (unassigned) */
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NULL, /* 169 (unassigned) */
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NULL, /* 170 (unassigned) */
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NULL, /* 171 (unassigned) */
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NULL, /* 172 (unassigned) */
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NULL, /* 173 (unassigned) */
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NULL, /* 174 (unassigned) */
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NULL, /* 175 (unassigned) */
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NULL, /* 176 (unassigned) */
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NULL, /* 177 (unassigned) */
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NULL, /* 178 (unassigned) */
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NULL, /* 179 (unassigned) */
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NULL, /* 180 (unassigned) */
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NULL, /* 181 (unassigned) */
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NULL, /* 182 (unassigned) */
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NULL, /* 183 (unassigned) */
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NULL, /* 184 (unassigned) */
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NULL, /* 185 (unassigned) */
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NULL, /* 186 (unassigned) */
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NULL, /* 187 (unassigned) */
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NULL, /* 188 (unassigned) */
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NULL, /* 189 (unassigned) */
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NULL, /* 190 (unassigned) */
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NULL, /* 191 (unassigned) */
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NULL, /* 192 (unassigned) */
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NULL, /* 193 (unassigned) */
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NULL, /* 194 (unassigned) */
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NULL, /* 195 (unassigned) */
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NULL, /* 196 (unassigned) */
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NULL, /* 197 (unassigned) */
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NULL, /* 198 (unassigned) */
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NULL, /* 199 (unassigned) */
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NULL, /* 200 (unassigned) */
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NULL, /* 201 (unassigned) */
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NULL, /* 202 (unassigned) */
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NULL, /* 203 (unassigned) */
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NULL, /* 204 (unassigned) */
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NULL, /* 205 (unassigned) */
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NULL, /* 206 (unassigned) */
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NULL, /* 207 (unassigned) */
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NULL, /* 208 (unassigned) */
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NULL, /* 209 (unassigned) */
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NULL, /* 210 (unassigned) */
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NULL, /* 211 (unassigned) */
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NULL, /* 212 (unassigned) */
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NULL, /* 213 (unassigned) */
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NULL, /* 214 (unassigned) */
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NULL, /* 215 (unassigned) */
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NULL, /* 216 (unassigned) */
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NULL, /* 217 (unassigned) */
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NULL, /* 218 (unassigned) */
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NULL, /* 219 (unassigned) */
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NULL, /* 220 (unassigned) */
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NULL, /* 221 (unassigned) */
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NULL, /* 222 (unassigned) */
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NULL, /* 223 (unassigned) */
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NULL, /* 224 (unassigned) */
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NULL, /* 225 (unassigned) */
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NULL, /* 226 (unassigned) */
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NULL, /* 227 (unassigned) */
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NULL, /* 228 (unassigned) */
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NULL, /* 229 (unassigned) */
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NULL, /* 230 (unassigned) */
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NULL, /* 231 (unassigned) */
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NULL, /* 232 (unassigned) */
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NULL, /* 233 (unassigned) */
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NULL, /* 234 (unassigned) */
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NULL, /* 235 (unassigned) */
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NULL, /* 236 (unassigned) */
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NULL, /* 237 (unassigned) */
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NULL, /* 238 (unassigned) */
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NULL, /* 239 (unassigned) */
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NULL, /* 240 (unassigned) */
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NULL, /* 241 (unassigned) */
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NULL, /* 242 (unassigned) */
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NULL, /* 243 (unassigned) */
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NULL, /* 244 (unassigned) */
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NULL, /* 245 (unassigned) */
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NULL, /* 246 (unassigned) */
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NULL, /* 247 (unassigned) */
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NULL, /* 248 (unassigned) */
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NULL, /* 249 (unassigned) */
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NULL, /* 250 (unassigned) */
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NULL, /* 251 (unassigned) */
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NULL, /* 252 (unassigned) */
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"exptest-253", /* 253 (Use for experimentation and testing,
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* RFC 3692)
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*/
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"exptest-254", /* 254 (Use for experimentation and testing,
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* RFC 3692)
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*/
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"reserved", /* 255 (reserved) */
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};
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/* The function enforces the array index to be 8-bit. */
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const char *
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netdb_protoname (const nd_uint8_t protoid)
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{
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return netdb_protocol_names[protoid];
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}
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