/usr/src/xtables-addons-1.40/ipset-6/libipset/icmpv6.c is in xtables-addons-dkms 1.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | /* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <libipset/utils.h> /* STRNEQ */
#include <libipset/icmpv6.h> /* prototypes */
struct icmpv6_names {
const char *name;
uint8_t type, code;
};
static const struct icmpv6_names icmpv6_typecodes[] = {
{ "no-route", 1, 0 },
{ "communication-prohibited", 1, 1 },
{ "address-unreachable", 1, 3 },
{ "port-unreachable", 1, 4 },
{ "packet-too-big", 2, 0 },
{ "ttl-zero-during-transit", 3, 0 },
{ "ttl-zero-during-reassembly", 3, 1 },
{ "bad-header", 4, 0 },
{ "unknown-header-type", 4, 1 },
{ "unknown-option", 4, 2 },
{ "echo-request", 128, 0 },
{ "ping", 128, 0 },
{ "echo-reply", 129, 0 },
{ "pong", 129, 0 },
{ "router-solicitation", 133, 0 },
{ "router-advertisement", 134, 0 },
{ "neighbour-solicitation", 135, 0 },
{ "neigbour-solicitation", 135, 0 },
{ "neighbour-advertisement", 136, 0 },
{ "neigbour-advertisement", 136, 0 },
{ "redirect", 137, 0 },
};
const char *id_to_icmpv6(uint8_t id)
{
return id < ARRAY_SIZE(icmpv6_typecodes) ?
icmpv6_typecodes[id].name : NULL;
}
const char *icmpv6_to_name(uint8_t type, uint8_t code)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
if (icmpv6_typecodes[i].type == type &&
icmpv6_typecodes[i].code == code)
return icmpv6_typecodes[i].name;
return NULL;
}
int name_to_icmpv6(const char *str, uint16_t *typecode)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
if (STRNCASEQ(icmpv6_typecodes[i].name, str, strlen(str))) {
*typecode = (icmpv6_typecodes[i].type << 8) |
icmpv6_typecodes[i].code;
return 0;
}
return -1;
}
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