mirror of
git://git.code.sf.net/p/xtables-addons/xtables-addons
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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <libipset/utils.h> /* STRNEQ */
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#include <libipset/icmpv6.h> /* prototypes */
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struct icmpv6_names {
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const char *name;
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uint8_t type, code;
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};
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static const struct icmpv6_names icmpv6_typecodes[] = {
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{ "no-route", 1, 0 },
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{ "communication-prohibited", 1, 1 },
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{ "address-unreachable", 1, 3 },
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{ "port-unreachable", 1, 4 },
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{ "packet-too-big", 2, 0 },
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{ "ttl-zero-during-transit", 3, 0 },
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{ "ttl-zero-during-reassembly", 3, 1 },
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{ "bad-header", 4, 0 },
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{ "unknown-header-type", 4, 1 },
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{ "unknown-option", 4, 2 },
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{ "echo-request", 128, 0 },
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{ "ping", 128, 0 },
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{ "echo-reply", 129, 0 },
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{ "pong", 129, 0 },
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{ "router-solicitation", 133, 0 },
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{ "router-advertisement", 134, 0 },
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{ "neighbour-solicitation", 135, 0 },
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{ "neigbour-solicitation", 135, 0 },
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{ "neighbour-advertisement", 136, 0 },
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{ "neigbour-advertisement", 136, 0 },
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{ "redirect", 137, 0 },
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};
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const char *id_to_icmpv6(uint8_t id)
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{
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return id < ARRAY_SIZE(icmpv6_typecodes) ?
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icmpv6_typecodes[id].name : NULL;
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}
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const char *icmpv6_to_name(uint8_t type, uint8_t code)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
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if (icmpv6_typecodes[i].type == type &&
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icmpv6_typecodes[i].code == code)
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return icmpv6_typecodes[i].name;
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return NULL;
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}
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int name_to_icmpv6(const char *str, uint16_t *typecode)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
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if (STRNCASEQ(icmpv6_typecodes[i].name, str, strlen(str))) {
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*typecode = (icmpv6_typecodes[i].type << 8) |
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icmpv6_typecodes[i].code;
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return 0;
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}
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return -1;
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}
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