399 lines
15 KiB
C
399 lines
15 KiB
C
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/*
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in.h 8.3 (Berkeley) 1/3/94
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* $FreeBSD: src/sys/netinet/in.h,v 1.68 2002/04/24 01:26:11 mike Exp $
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*/
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/* Copied from Linux, modified for Phoenix */
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#ifndef _NETINET_IN_H
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#define _NETINET_IN_H
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#include <machine/endian.h>
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#include <netinet6/in6.h>
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#include <sys/socket.h>
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#if BYTE_ORDER == BIG_ENDIAN
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#define htons(a) (a)
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#define htonl(a) (a)
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#define ntohs(a) (a)
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#define ntohl(a) (a)
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#error Big endian is not supported!
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#else
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static uint32_t htonl(uint32_t hostlong)
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{
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return ((hostlong & 0xff) << 24) | ((hostlong & 0xff00) << 8) | ((hostlong & 0xff0000UL) >> 8) | ((hostlong & 0xff000000UL) >> 24);
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}
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static uint16_t htons(uint16_t hostshort)
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{
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return ((hostshort & 0xff) << 8) | ((hostshort & 0xff00) >> 8);
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}
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static uint32_t ntohl(uint32_t netlong)
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{
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return htonl(netlong);
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}
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static uint16_t ntohs(uint16_t netshort)
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{
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return htons(netshort);
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}
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#endif
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/* Protocols common to RFC 1700, POSIX, and X/Open. */
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#define IPPROTO_IP 0 /* Dummy for IP */
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#define IPPROTO_ICMP 1 /* Control message protocol */
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#define IPPROTO_TCP 6 /* TCP */
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#define IPPROTO_UDP 17 /* User datagram protocol */
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#define INADDR_ANY (u_int32_t) 0x00000000
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#define INADDR_BROADCAST (u_int32_t) 0xffffffff /* Must be masked */
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typedef uint32_t in_addr_t;
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typedef uint16_t in_port_t;
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/* Internet address (a structure for historical reasons). */
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struct in_addr {
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in_addr_t s_addr;
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};
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/* Socket address, internet style. */
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struct sockaddr_in {
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uint8_t sin_len;
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sa_family_t sin_family;
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in_port_t sin_port;
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struct in_addr sin_addr;
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char sin_zero[8];
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};
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#if __POSIX_VISIBLE >= 200112
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#define IPPROTO_RAW 255 /* Raw IP packet */
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#define INET_ADDRSTRLEN 16
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#endif
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/*
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* Constants and structures defined by the internet system,
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* Per RFC 790, September 1981, and numerous additions.
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*/
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/* Protocols (RFC 1700) */
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#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */
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#define IPPROTO_IGMP 2 /* Group mgmt protocol */
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#define IPPROTO_GGP 3 /* Gateway^2 (deprecated) */
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#define IPPROTO_IPV4 4 /* IPv4 encapsulation */
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#define IPPROTO_IPIP IPPROTO_IPV4
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#define IPPROTO_ST 7 /* Stream protocol II */
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#define IPPROTO_EGP 8 /* Exterior gateway protocol */
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#define IPPROTO_PIGP 9 /* Private interior gateway */
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#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */
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#define IPPROTO_NVPII 11 /* Network voice protocol*/
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#define IPPROTO_PUP 12 /* Pup */
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#define IPPROTO_ARGUS 13 /* Argus */
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#define IPPROTO_EMCON 14 /* EMCON */
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#define IPPROTO_XNET 15 /* Cross Net Debugger */
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#define IPPROTO_CHAOS 16 /* Chaos*/
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#define IPPROTO_MUX 18 /* Multiplexing */
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#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */
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#define IPPROTO_HMP 20 /* Host Monitoring */
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#define IPPROTO_PRM 21 /* Packet Radio Measurement */
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#define IPPROTO_IDP 22 /* Xns idp */
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#define IPPROTO_TRUNK1 23 /* Trunk-1 */
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#define IPPROTO_TRUNK2 24 /* Trunk-2 */
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#define IPPROTO_LEAF1 25 /* Leaf-1 */
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#define IPPROTO_LEAF2 26 /* Leaf-2 */
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#define IPPROTO_RDP 27 /* Reliable Data */
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#define IPPROTO_IRTP 28 /* Reliable Transaction */
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#define IPPROTO_TP 29 /* Tp-4 w/ class negotiation */
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#define IPPROTO_BLT 30 /* Bulk Data Transfer */
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#define IPPROTO_NSP 31 /* Network Services */
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#define IPPROTO_INP 32 /* Merit Internodal */
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#define IPPROTO_SEP 33 /* Sequential Exchange */
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#define IPPROTO_3PC 34 /* Third Party Connect */
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#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */
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#define IPPROTO_XTP 36 /* XTP */
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#define IPPROTO_DDP 37 /* Datagram Delivery */
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#define IPPROTO_CMTP 38 /* Control Message Transport */
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#define IPPROTO_TPXX 39 /* TP++ Transport */
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#define IPPROTO_IL 40 /* IL transport protocol */
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#define IPPROTO_IPV6 41 /* IP6 header */
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#define IPPROTO_SDRP 42 /* Source Demand Routing */
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#define IPPROTO_ROUTING 43 /* IP6 routing header */
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#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */
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#define IPPROTO_IDRP 45 /* InterDomain Routing*/
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#define IPPROTO_RSVP 46 /* Resource reservation */
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#define IPPROTO_GRE 47 /* General Routing Encap. */
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#define IPPROTO_MHRP 48 /* Mobile Host Routing */
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#define IPPROTO_BHA 49 /* BHA */
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#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */
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#define IPPROTO_AH 51 /* IP6 Auth Header */
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#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */
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#define IPPROTO_SWIPE 53 /* IP with encryption */
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#define IPPROTO_NHRP 54 /* Next Hop Resolution */
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#define IPPROTO_MOBILE 55 /* IP Mobility */
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#define IPPROTO_TLSP 56 /* Transport Layer Security */
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#define IPPROTO_SKIP 57 /* SKIP */
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#define IPPROTO_ICMPV6 58 /* ICMP6 */
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#define IPPROTO_NONE 59 /* IP6 no next header */
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#define IPPROTO_DSTOPTS 60 /* IP6 destination option */
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#define IPPROTO_AHIP 61 /* Any host internal protocol */
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#define IPPROTO_CFTP 62 /* CFTP */
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#define IPPROTO_HELLO 63 /* "hello" routing protocol */
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#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */
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#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */
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#define IPPROTO_RVD 66 /* Remote Virtual Disk */
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#define IPPROTO_IPPC 67 /* Pluribus Packet Core */
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#define IPPROTO_ADFS 68 /* Any distributed FS */
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#define IPPROTO_SATMON 69 /* Satnet Monitoring */
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#define IPPROTO_VISA 70 /* VISA Protocol */
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#define IPPROTO_IPCV 71 /* Packet Core Utility */
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#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */
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#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */
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#define IPPROTO_WSN 74 /* Wang Span Network */
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#define IPPROTO_PVP 75 /* Packet Video Protocol */
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#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */
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#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */
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#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */
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#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */
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#define IPPROTO_EON 80 /* ISO cnlp */
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#define IPPROTO_VMTP 81 /* VMTP */
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#define IPPROTO_SVMTP 82 /* Secure VMTP */
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#define IPPROTO_VINES 83 /* Banyon VINES */
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#define IPPROTO_TTP 84 /* TTP */
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#define IPPROTO_IGP 85 /* NSFNET-IGP */
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#define IPPROTO_DGP 86 /* Dissimilar gateway prot. */
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#define IPPROTO_TCF 87 /* TCF */
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#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */
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#define IPPROTO_OSPFIGP 89 /* OSPFIGP */
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#define IPPROTO_SRPC 90 /* Strite RPC protocol */
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#define IPPROTO_LARP 91 /* Locus Address Resoloution */
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#define IPPROTO_MTP 92 /* Multicast Transport */
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#define IPPROTO_AX25 93 /* AX.25 Frames */
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#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */
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#define IPPROTO_MICP 95 /* Mobile Int.ing control */
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#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */
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#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */
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#define IPPROTO_ENCAP 98 /* Encapsulation header */
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#define IPPROTO_APES 99 /* Aany private encr. scheme */
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#define IPPROTO_GMTP 100 /* GMTP*/
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#define IPPROTO_IPCOMP 108 /* Payload compression (IPComp) */
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/* 101-254: Partly Unassigned */
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#define IPPROTO_PIM 103 /* Protocol Independent Mcast */
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#define IPPROTO_PGM 113 /* PGM */
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/* 255: Reserved */
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/* BSD Private, local use, namespace incursion */
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#define IPPROTO_DIVERT 254 /* Divert pseudo-protocol */
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#define IPPROTO_MAX 256
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/* Last return value of *_input(), meaning "all job for this pkt is done". */
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#define IPPROTO_DONE 257
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/* Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root). (IP_PORTRANGE_LOW) */
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#define IPPORT_RESERVED 1024
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/* Default local port range, used by both IP_PORTRANGE_DEFAULT and IP_PORTRANGE_HIGH. */
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#define IPPORT_HIFIRSTAUTO 49152
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#define IPPORT_HILASTAUTO 65535
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/*
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* Scanning for a free reserved port return a value below IPPORT_RESERVED,
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* but higher than IPPORT_RESERVEDSTART. Traditionally the start value was
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* 512, but that conflicts with some well-known-services that firewalls may
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* have a fit if we use.
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*/
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#define IPPORT_RESERVEDSTART 600
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#define IPPORT_MAX 65535
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/*
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* Definitions of bits in internet address integers.
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* On subnets, the decomposition of addresses to host and net parts
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* is done according to subnet mask, not the masks here.
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*/
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#define IN_CLASSA(i) (((u_int32_t) (i) & 0x80000000) == 0)
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#define IN_CLASSA_NET 0xff000000
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#define IN_CLASSA_NSHIFT 24
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#define IN_CLASSA_HOST 0x00ffffff
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#define IN_CLASSA_MAX 128
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#define IN_CLASSB(i) (((u_int32_t) (i) & 0xc0000000) == 0x80000000)
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#define IN_CLASSB_NET 0xffff0000
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#define IN_CLASSB_NSHIFT 16
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#define IN_CLASSB_HOST 0x0000ffff
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#define IN_CLASSB_MAX 65536
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#define IN_CLASSC(i) (((u_int32_t) (i) & 0xe0000000) == 0xc0000000)
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#define IN_CLASSC_NET 0xffffff00
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#define IN_CLASSC_NSHIFT 8
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#define IN_CLASSC_HOST 0x000000ff
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#define IN_CLASSD(i) (((u_int32_t) (i) & 0xf0000000) == 0xe0000000)
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#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
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#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
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#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
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#define IN_MULTICAST(i) IN_CLASSD(i)
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#define IN_EXPERIMENTAL(i) (((u_int32_t) (i) & 0xf0000000) == 0xf0000000)
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#define IN_BADCLASS(i) (((u_int32_t) (i) & 0xf0000000) == 0xf0000000)
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#define INADDR_LOOPBACK (u_int32_t) 0x7f000001
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#define INADDR_NONE 0xffffffff /* -1 return */
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#define INADDR_UNSPEC_GROUP (u_int32_t) 0xe0000000 /* 224.0.0.0 */
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#define INADDR_ALLHOSTS_GROUP (u_int32_t) 0xe0000001 /* 224.0.0.1 */
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#define INADDR_ALLRTRS_GROUP (u_int32_t) 0xe0000002 /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP (u_int32_t) 0xe00000ff /* 224.0.0.255 */
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#define IN_LOOPBACKNET 127 /* Official */
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/* Defaults and limits for options */
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#define IP_DEFAULT_MULTICAST_TTL 1 /* Normally limit m'casts to 1 hop */
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#define IP_DEFAULT_MULTICAST_LOOP 1 /* Normally hear sends if a member */
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#define IP_MAX_MEMBERSHIPS 20 /* Per socket */
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/* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
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struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* Local IP address of interface */
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};
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/* Argument for IP_PORTRANGE - which range to search when port is unspecified at bind() or connect() */
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#define IP_PORTRANGE_DEFAULT 0 /* Default range */
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#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */
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#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */
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/*
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* Definitions for inet sysctl operations.
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*
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* Third level is protocol number.
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* Fourth level is desired variable within that protocol.
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*/
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#define IPPROTO_MAXID (IPPROTO_AH + 1) /* Don't list to IPPROTO_MAX */
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#define CTL_IPPROTO_NAMES { \
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{ "ip", CTLTYPE_NODE }, \
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{ "icmp", CTLTYPE_NODE }, \
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{ "igmp", CTLTYPE_NODE }, \
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{ "ggp", CTLTYPE_NODE }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ "tcp", CTLTYPE_NODE }, \
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{ 0, 0 }, \
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{ "egp", CTLTYPE_NODE }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ "pup", CTLTYPE_NODE }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ "udp", CTLTYPE_NODE }, \
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{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ "idp", CTLTYPE_NODE }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ "ipsec", CTLTYPE_NODE }, \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Names for IP sysctl objects */
|
||
|
|
#define IPCTL_FORWARDING 1 /* Act as router */
|
||
|
|
#define IPCTL_SENDREDIRECTS 2 /* May send redirects when forwarding */
|
||
|
|
#define IPCTL_DEFTTL 3 /* Default TTL */
|
||
|
|
#ifdef notyet
|
||
|
|
#define IPCTL_DEFMTU 4 /* Default MTU */
|
||
|
|
#endif
|
||
|
|
#define IPCTL_RTEXPIRE 5 /* Cloned route expiration time */
|
||
|
|
#define IPCTL_RTMINEXPIRE 6 /* Min value for expiration time */
|
||
|
|
#define IPCTL_RTMAXCACHE 7 /* Trigger level for dynamic expire */
|
||
|
|
#define IPCTL_SOURCEROUTE 8 /* May perform source routes */
|
||
|
|
#define IPCTL_DIRECTEDBROADCAST 9 /* May re-broadcast received packets */
|
||
|
|
#define IPCTL_INTRQMAXLEN 10 /* Max length of netisr queue */
|
||
|
|
#define IPCTL_INTRQDROPS 11 /* Number of netisr q drops */
|
||
|
|
#define IPCTL_STATS 12 /* Ipstat structure */
|
||
|
|
#define IPCTL_ACCEPTSOURCEROUTE 13 /* May accept source routed packets */
|
||
|
|
#define IPCTL_FASTFORWARDING 14 /* Use fast IP forwarding code */
|
||
|
|
#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */
|
||
|
|
#define IPCTL_GIF_TTL 16 /* Default TTL for gif encap packet */
|
||
|
|
#define IPCTL_MAXID 17
|
||
|
|
|
||
|
|
#define IPCTL_NAMES { \
|
||
|
|
{ 0, 0 }, \
|
||
|
|
{ "forwarding", CTLTYPE_INT }, \
|
||
|
|
{ "redirect", CTLTYPE_INT }, \
|
||
|
|
{ "ttl", CTLTYPE_INT }, \
|
||
|
|
{ "mtu", CTLTYPE_INT }, \
|
||
|
|
{ "rtexpire", CTLTYPE_INT }, \
|
||
|
|
{ "rtminexpire", CTLTYPE_INT }, \
|
||
|
|
{ "rtmaxcache", CTLTYPE_INT }, \
|
||
|
|
{ "sourceroute", CTLTYPE_INT }, \
|
||
|
|
{ "directed-broadcast", CTLTYPE_INT }, \
|
||
|
|
{ "intr-queue-maxlen", CTLTYPE_INT }, \
|
||
|
|
{ "intr-queue-drops", CTLTYPE_INT }, \
|
||
|
|
{ "stats", CTLTYPE_STRUCT }, \
|
||
|
|
{ "accept_sourceroute", CTLTYPE_INT }, \
|
||
|
|
{ "fastforwarding", CTLTYPE_INT }, \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|