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/* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@netfilter.org)
*
* 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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