| /* 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; |
| } |