| 1 | /*␊ |
| 2 | * Copyright (c) 2008 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /*␊ |
| 29 | * Copyright (c) 1982, 1986, 1993␊ |
| 30 | *␉The Regents of the University of California. All rights reserved.␊ |
| 31 | *␊ |
| 32 | * Redistribution and use in source and binary forms, with or without␊ |
| 33 | * modification, are permitted provided that the following conditions␊ |
| 34 | * are met:␊ |
| 35 | * 1. Redistributions of source code must retain the above copyright␊ |
| 36 | * notice, this list of conditions and the following disclaimer.␊ |
| 37 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 38 | * notice, this list of conditions and the following disclaimer in the␊ |
| 39 | * documentation and/or other materials provided with the distribution.␊ |
| 40 | * 3. All advertising materials mentioning features or use of this software␊ |
| 41 | * must display the following acknowledgement:␊ |
| 42 | *␉This product includes software developed by the University of␊ |
| 43 | *␉California, Berkeley and its contributors.␊ |
| 44 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 45 | * may be used to endorse or promote products derived from this software␊ |
| 46 | * without specific prior written permission.␊ |
| 47 | *␊ |
| 48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 58 | * SUCH DAMAGE.␊ |
| 59 | *␊ |
| 60 | *␉@(#)ip_icmp.h␉8.1 (Berkeley) 6/10/93␊ |
| 61 | * $FreeBSD: src/sys/netinet/ip_icmp.h,v 1.16 1999/12/29 04:41:01 peter Exp $␊ |
| 62 | */␊ |
| 63 | ␊ |
| 64 | #ifndef _NETINET_IP_ICMP_H_␊ |
| 65 | #define _NETINET_IP_ICMP_H_␊ |
| 66 | #include <sys/appleapiopts.h>␊ |
| 67 | ␊ |
| 68 | /*␊ |
| 69 | * Interface Control Message Protocol Definitions.␊ |
| 70 | * Per RFC 792, September 1981.␊ |
| 71 | */␊ |
| 72 | ␊ |
| 73 | /*␊ |
| 74 | * Internal of an ICMP Router Advertisement␊ |
| 75 | */␊ |
| 76 | struct icmp_ra_addr {␊ |
| 77 | ␉u_int32_t ira_addr;␊ |
| 78 | ␉u_int32_t ira_preference;␊ |
| 79 | };␊ |
| 80 | ␊ |
| 81 | /*␊ |
| 82 | * Structure of an icmp header.␊ |
| 83 | */␊ |
| 84 | struct icmp {␊ |
| 85 | ␉u_char␉icmp_type;␉␉/* type of message, see below */␊ |
| 86 | ␉u_char␉icmp_code;␉␉/* type sub code */␊ |
| 87 | ␉u_short␉icmp_cksum;␉␉/* ones complement cksum of struct */␊ |
| 88 | ␉union {␊ |
| 89 | ␉␉u_char ih_pptr;␉␉␉/* ICMP_PARAMPROB */␊ |
| 90 | ␉␉struct in_addr ih_gwaddr;␉/* ICMP_REDIRECT */␊ |
| 91 | ␉␉struct ih_idseq {␊ |
| 92 | ␉␉␉n_short␉icd_id;␊ |
| 93 | ␉␉␉n_short␉icd_seq;␊ |
| 94 | ␉␉} ih_idseq;␊ |
| 95 | ␉␉int ih_void;␊ |
| 96 | ␊ |
| 97 | ␉␉/* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */␊ |
| 98 | ␉␉struct ih_pmtu {␊ |
| 99 | ␉␉␉n_short ipm_void;␊ |
| 100 | ␉␉␉n_short ipm_nextmtu;␊ |
| 101 | ␉␉} ih_pmtu;␊ |
| 102 | ␊ |
| 103 | ␉␉struct ih_rtradv {␊ |
| 104 | ␉␉␉u_char irt_num_addrs;␊ |
| 105 | ␉␉␉u_char irt_wpa;␊ |
| 106 | ␉␉␉u_int16_t irt_lifetime;␊ |
| 107 | ␉␉} ih_rtradv;␊ |
| 108 | ␉} icmp_hun;␊ |
| 109 | #define␉icmp_pptr␉icmp_hun.ih_pptr␊ |
| 110 | #define␉icmp_gwaddr␉icmp_hun.ih_gwaddr␊ |
| 111 | #define␉icmp_id␉␉icmp_hun.ih_idseq.icd_id␊ |
| 112 | #define␉icmp_seq␉icmp_hun.ih_idseq.icd_seq␊ |
| 113 | #define␉icmp_void␉icmp_hun.ih_void␊ |
| 114 | #define␉icmp_pmvoid␉icmp_hun.ih_pmtu.ipm_void␊ |
| 115 | #define␉icmp_nextmtu␉icmp_hun.ih_pmtu.ipm_nextmtu␊ |
| 116 | #define␉icmp_num_addrs␉icmp_hun.ih_rtradv.irt_num_addrs␊ |
| 117 | #define␉icmp_wpa␉icmp_hun.ih_rtradv.irt_wpa␊ |
| 118 | #define␉icmp_lifetime␉icmp_hun.ih_rtradv.irt_lifetime␊ |
| 119 | ␉union {␊ |
| 120 | ␉␉struct id_ts {␊ |
| 121 | ␉␉␉n_time its_otime;␊ |
| 122 | ␉␉␉n_time its_rtime;␊ |
| 123 | ␉␉␉n_time its_ttime;␊ |
| 124 | ␉␉} id_ts;␊ |
| 125 | ␉␉struct id_ip {␊ |
| 126 | ␉␉␉struct ip idi_ip;␊ |
| 127 | ␉␉␉/* options and then 64 bits of data */␊ |
| 128 | ␉␉} id_ip;␊ |
| 129 | ␉␉struct icmp_ra_addr id_radv;␊ |
| 130 | ␉␉u_int32_t id_mask;␊ |
| 131 | ␉␉char␉id_data[1];␊ |
| 132 | ␉} icmp_dun;␊ |
| 133 | #define␉icmp_otime␉icmp_dun.id_ts.its_otime␊ |
| 134 | #define␉icmp_rtime␉icmp_dun.id_ts.its_rtime␊ |
| 135 | #define␉icmp_ttime␉icmp_dun.id_ts.its_ttime␊ |
| 136 | #define␉icmp_ip␉␉icmp_dun.id_ip.idi_ip␊ |
| 137 | #define␉icmp_radv␉icmp_dun.id_radv␊ |
| 138 | #define␉icmp_mask␉icmp_dun.id_mask␊ |
| 139 | #define␉icmp_data␉icmp_dun.id_data␊ |
| 140 | };␊ |
| 141 | ␊ |
| 142 | /*␊ |
| 143 | * Lower bounds on packet lengths for various types.␊ |
| 144 | * For the error advice packets must first insure that the␊ |
| 145 | * packet is large enough to contain the returned ip header.␊ |
| 146 | * Only then can we do the check to see if 64 bits of packet␊ |
| 147 | * data have been returned, since we need to check the returned␊ |
| 148 | * ip header length.␊ |
| 149 | */␊ |
| 150 | #define␉ICMP_MINLEN␉8␉␉␉␉/* abs minimum */␊ |
| 151 | #define␉ICMP_TSLEN␉(8 + 3 * sizeof (n_time))␉/* timestamp */␊ |
| 152 | #define␉ICMP_MASKLEN␉12␉␉␉␉/* address mask */␊ |
| 153 | #define␉ICMP_ADVLENMIN␉(8 + sizeof (struct ip) + 8)␉/* min */␊ |
| 154 | #ifndef _IP_VHL␊ |
| 155 | #define␉ICMP_ADVLEN(p)␉(8 + ((p)->icmp_ip.ip_hl << 2) + 8)␊ |
| 156 | ␉/* N.B.: must separately check that ip_hl >= 5 */␊ |
| 157 | #else␊ |
| 158 | #define␉ICMP_ADVLEN(p)␉(8 + (IP_VHL_HL((p)->icmp_ip.ip_vhl) << 2) + 8)␊ |
| 159 | ␉/* N.B.: must separately check that header length >= 5 */␊ |
| 160 | #endif␊ |
| 161 | ␊ |
| 162 | /*␊ |
| 163 | * Definition of type and code field values.␊ |
| 164 | */␊ |
| 165 | #define␉ICMP_ECHOREPLY␉␉0␉␉/* echo reply */␊ |
| 166 | #define␉ICMP_UNREACH␉␉3␉␉/* dest unreachable, codes: */␊ |
| 167 | #define␉␉ICMP_UNREACH_NET␉0␉␉/* bad net */␊ |
| 168 | #define␉␉ICMP_UNREACH_HOST␉1␉␉/* bad host */␊ |
| 169 | #define␉␉ICMP_UNREACH_PROTOCOL␉2␉␉/* bad protocol */␊ |
| 170 | #define␉␉ICMP_UNREACH_PORT␉3␉␉/* bad port */␊ |
| 171 | #define␉␉ICMP_UNREACH_NEEDFRAG␉4␉␉/* IP_DF caused drop */␊ |
| 172 | #define␉␉ICMP_UNREACH_SRCFAIL␉5␉␉/* src route failed */␊ |
| 173 | #define␉␉ICMP_UNREACH_NET_UNKNOWN 6␉␉/* unknown net */␊ |
| 174 | #define␉␉ICMP_UNREACH_HOST_UNKNOWN 7␉␉/* unknown host */␊ |
| 175 | #define␉␉ICMP_UNREACH_ISOLATED␉8␉␉/* src host isolated */␊ |
| 176 | #define␉␉ICMP_UNREACH_NET_PROHIB␉9␉␉/* prohibited access */␊ |
| 177 | #define␉␉ICMP_UNREACH_HOST_PROHIB 10␉␉/* ditto */␊ |
| 178 | #define␉␉ICMP_UNREACH_TOSNET␉11␉␉/* bad tos for net */␊ |
| 179 | #define␉␉ICMP_UNREACH_TOSHOST␉12␉␉/* bad tos for host */␊ |
| 180 | #define␉␉ICMP_UNREACH_FILTER_PROHIB 13␉␉/* admin prohib */␊ |
| 181 | #define␉␉ICMP_UNREACH_HOST_PRECEDENCE 14␉␉/* host prec vio. */␊ |
| 182 | #define␉␉ICMP_UNREACH_PRECEDENCE_CUTOFF 15␉/* prec cutoff */␊ |
| 183 | #define␉ICMP_SOURCEQUENCH␉4␉␉/* packet lost, slow down */␊ |
| 184 | #define␉ICMP_REDIRECT␉␉5␉␉/* shorter route, codes: */␊ |
| 185 | #define␉␉ICMP_REDIRECT_NET␉0␉␉/* for network */␊ |
| 186 | #define␉␉ICMP_REDIRECT_HOST␉1␉␉/* for host */␊ |
| 187 | #define␉␉ICMP_REDIRECT_TOSNET␉2␉␉/* for tos and net */␊ |
| 188 | #define␉␉ICMP_REDIRECT_TOSHOST␉3␉␉/* for tos and host */␊ |
| 189 | #define␉ICMP_ALTHOSTADDR␉6␉␉/* alternate host address */␊ |
| 190 | #define␉ICMP_ECHO␉␉8␉␉/* echo service */␊ |
| 191 | #define␉ICMP_ROUTERADVERT␉9␉␉/* router advertisement */␊ |
| 192 | #define␉␉ICMP_ROUTERADVERT_NORMAL␉ 0 /* normal advertisement */␊ |
| 193 | #define␉␉ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */␊ |
| 194 | #define␉ICMP_ROUTERSOLICIT␉10␉␉/* router solicitation */␊ |
| 195 | #define␉ICMP_TIMXCEED␉␉11␉␉/* time exceeded, code: */␊ |
| 196 | #define␉␉ICMP_TIMXCEED_INTRANS␉0␉␉/* ttl==0 in transit */␊ |
| 197 | #define␉␉ICMP_TIMXCEED_REASS␉1␉␉/* ttl==0 in reass */␊ |
| 198 | #define␉ICMP_PARAMPROB␉␉12␉␉/* ip header bad */␊ |
| 199 | #define␉␉ICMP_PARAMPROB_ERRATPTR 0␉␉/* error at param ptr */␊ |
| 200 | #define␉␉ICMP_PARAMPROB_OPTABSENT 1␉␉/* req. opt. absent */␊ |
| 201 | #define␉␉ICMP_PARAMPROB_LENGTH 2␉␉␉/* bad length */␊ |
| 202 | #define␉ICMP_TSTAMP␉␉13␉␉/* timestamp request */␊ |
| 203 | #define␉ICMP_TSTAMPREPLY␉14␉␉/* timestamp reply */␊ |
| 204 | #define␉ICMP_IREQ␉␉15␉␉/* information request */␊ |
| 205 | #define␉ICMP_IREQREPLY␉␉16␉␉/* information reply */␊ |
| 206 | #define␉ICMP_MASKREQ␉␉17␉␉/* address mask request */␊ |
| 207 | #define␉ICMP_MASKREPLY␉␉18␉␉/* address mask reply */␊ |
| 208 | #define␉ICMP_TRACEROUTE␉␉30␉␉/* traceroute */␊ |
| 209 | #define␉ICMP_DATACONVERR␉31␉␉/* data conversion error */␊ |
| 210 | #define␉ICMP_MOBILE_REDIRECT␉32␉␉/* mobile host redirect */␊ |
| 211 | #define␉ICMP_IPV6_WHEREAREYOU␉33␉␉/* IPv6 where-are-you */␊ |
| 212 | #define␉ICMP_IPV6_IAMHERE␉34␉␉/* IPv6 i-am-here */␊ |
| 213 | #define␉ICMP_MOBILE_REGREQUEST␉35␉␉/* mobile registration req */␊ |
| 214 | #define␉ICMP_MOBILE_REGREPLY␉36␉␉/* mobile registration reply */␊ |
| 215 | #define␉ICMP_SKIP␉␉39␉␉/* SKIP */␊ |
| 216 | #define␉ICMP_PHOTURIS␉␉40␉␉/* Photuris */␊ |
| 217 | #define␉␉ICMP_PHOTURIS_UNKNOWN_INDEX␉1␉/* unknown sec index */␊ |
| 218 | #define␉␉ICMP_PHOTURIS_AUTH_FAILED␉2␉/* auth failed */␊ |
| 219 | #define␉␉ICMP_PHOTURIS_DECRYPT_FAILED␉3␉/* decrypt failed */␊ |
| 220 | ␊ |
| 221 | #define␉ICMP_MAXTYPE␉␉40␊ |
| 222 | ␊ |
| 223 | #define␉ICMP_INFOTYPE(type) \␊ |
| 224 | ␉((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \␊ |
| 225 | ␉(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \␊ |
| 226 | ␉(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \␊ |
| 227 | ␉(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \␊ |
| 228 | ␉(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)␊ |
| 229 | ␊ |
| 230 | ␊ |
| 231 | #endif␊ |
| 232 | |
