icmp_codes.h

   1 /*
   2  * firewall3 - 3rd OpenWrt UCI firewall implementation
   3  *
   4  *   Copyright (C) 2013 Jo-Philipp Wich <jo@mein.io>
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef __FW3_ICMP_CODES_H
  20 #define __FW3_ICMP_CODES_H
  21
  22
  23 struct fw3_icmptype_entry {
  24         const char *name;
  25         uint8_t type;
  26         uint8_t code_min;
  27                 uint8_t code_max;
  28 };
  29
  30 /* taken from iptables extensions/libipt_icmp.c */
  31 static const struct fw3_icmptype_entry fw3_icmptype_list_v4[] = {
  32         { "any", 0xFF, 0, 0xFF },
  33         { "echo-reply", 0, 0, 0xFF },
  34         /* Alias */ { "pong", 0, 0, 0xFF },
  35
  36         { "destination-unreachable", 3, 0, 0xFF },
  37         {   "network-unreachable", 3, 0, 0 },
  38         {   "host-unreachable", 3, 1, 1 },
  39         {   "protocol-unreachable", 3, 2, 2 },
  40         {   "port-unreachable", 3, 3, 3 },
  41         {   "fragmentation-needed", 3, 4, 4 },
  42         {   "source-route-failed", 3, 5, 5 },
  43         {   "network-unknown", 3, 6, 6 },
  44         {   "host-unknown", 3, 7, 7 },
  45         {   "network-prohibited", 3, 9, 9 },
  46         {   "host-prohibited", 3, 10, 10 },
  47         {   "TOS-network-unreachable", 3, 11, 11 },
  48         {   "TOS-host-unreachable", 3, 12, 12 },
  49         {   "communication-prohibited", 3, 13, 13 },
  50         {   "host-precedence-violation", 3, 14, 14 },
  51         {   "precedence-cutoff", 3, 15, 15 },
  52
  53         { "source-quench", 4, 0, 0xFF },
  54
  55         { "redirect", 5, 0, 0xFF },
  56         {   "network-redirect", 5, 0, 0 },
  57         {   "host-redirect", 5, 1, 1 },
  58         {   "TOS-network-redirect", 5, 2, 2 },
  59         {   "TOS-host-redirect", 5, 3, 3 },
  60
  61         { "echo-request", 8, 0, 0xFF },
  62         /* Alias */ { "ping", 8, 0, 0xFF },
  63
  64         { "router-advertisement", 9, 0, 0xFF },
  65
  66         { "router-solicitation", 10, 0, 0xFF },
  67
  68         { "time-exceeded", 11, 0, 0xFF },
  69         /* Alias */ { "ttl-exceeded", 11, 0, 0xFF },
  70         {   "ttl-zero-during-transit", 11, 0, 0 },
  71         {   "ttl-zero-during-reassembly", 11, 1, 1 },
  72
  73         { "parameter-problem", 12, 0, 0xFF },
  74         {   "ip-header-bad", 12, 0, 0 },
  75         {   "required-option-missing", 12, 1, 1 },
  76
  77         { "timestamp-request", 13, 0, 0xFF },
  78
  79         { "timestamp-reply", 14, 0, 0xFF },
  80
  81         { "address-mask-request", 17, 0, 0xFF },
  82
  83         { "address-mask-reply", 18, 0, 0xFF }
  84 };
  85
  86 /* taken from iptables extensions/libip6t_icmp6.c */
  87 static const struct fw3_icmptype_entry fw3_icmptype_list_v6[] = {
  88         { "destination-unreachable", 1, 0, 0xFF },
  89         {   "no-route", 1, 0, 0 },
  90         {   "communication-prohibited", 1, 1, 1 },
  91         {   "address-unreachable", 1, 3, 3 },
  92         {   "port-unreachable", 1, 4, 4 },
  93
  94         { "packet-too-big", 2, 0, 0xFF },
  95
  96         { "time-exceeded", 3, 0, 0xFF },
  97         /* Alias */ { "ttl-exceeded", 3, 0, 0xFF },
  98         {   "ttl-zero-during-transit", 3, 0, 0 },
  99         {   "ttl-zero-during-reassembly", 3, 1, 1 },
 100
 101         { "parameter-problem", 4, 0, 0xFF },
 102         {   "bad-header", 4, 0, 0 },
 103         {   "unknown-header-type", 4, 1, 1 },
 104         {   "unknown-option", 4, 2, 2 },
 105
 106         { "echo-request", 128, 0, 0xFF },
 107         /* Alias */ { "ping", 128, 0, 0xFF },
 108
 109         { "echo-reply", 129, 0, 0xFF },
 110         /* Alias */ { "pong", 129, 0, 0xFF },
 111
 112         { "router-solicitation", 133, 0, 0xFF },
 113
 114         { "router-advertisement", 134, 0, 0xFF },
 115
 116         { "neighbour-solicitation", 135, 0, 0xFF },
 117         /* Alias */ { "neighbor-solicitation", 135, 0, 0xFF },
 118
 119         { "neighbour-advertisement", 136, 0, 0xFF },
 120         /* Alias */ { "neighbor-advertisement", 136, 0, 0xFF },
 121
 122         { "redirect", 137, 0, 0xFF },
 123 };
 124
 125 #endif