in.h revision 93514
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1982, 1986, 1990, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 141541Srgrimes * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by the University of 161541Srgrimes * California, Berkeley and its contributors. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes * 331541Srgrimes * @(#)in.h 8.3 (Berkeley) 1/3/94 3450477Speter * $FreeBSD: head/sys/netinet/in.h 93514 2002-04-01 08:12:25Z mike $ 351541Srgrimes */ 361541Srgrimes 372169Spaul#ifndef _NETINET_IN_H_ 382169Spaul#define _NETINET_IN_H_ 392169Spaul 4093514Smike#include <sys/_types.h> 4193514Smike 421541Srgrimes/* 431541Srgrimes * Constants and structures defined by the internet system, 441541Srgrimes * Per RFC 790, September 1981, and numerous additions. 451541Srgrimes */ 461541Srgrimes 471541Srgrimes/* 4833804Sjulian * Protocols (RFC 1700) 491541Srgrimes */ 501541Srgrimes#define IPPROTO_IP 0 /* dummy for IP */ 5152904Sshin#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 521541Srgrimes#define IPPROTO_ICMP 1 /* control message protocol */ 531541Srgrimes#define IPPROTO_IGMP 2 /* group mgmt protocol */ 541541Srgrimes#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 5552904Sshin#define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 5652904Sshin#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 571541Srgrimes#define IPPROTO_TCP 6 /* tcp */ 5833804Sjulian#define IPPROTO_ST 7 /* Stream protocol II */ 591541Srgrimes#define IPPROTO_EGP 8 /* exterior gateway protocol */ 6033804Sjulian#define IPPROTO_PIGP 9 /* private interior gateway */ 6133804Sjulian#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 6233804Sjulian#define IPPROTO_NVPII 11 /* network voice protocol*/ 631541Srgrimes#define IPPROTO_PUP 12 /* pup */ 6433804Sjulian#define IPPROTO_ARGUS 13 /* Argus */ 6533804Sjulian#define IPPROTO_EMCON 14 /* EMCON */ 6633804Sjulian#define IPPROTO_XNET 15 /* Cross Net Debugger */ 6733804Sjulian#define IPPROTO_CHAOS 16 /* Chaos*/ 681541Srgrimes#define IPPROTO_UDP 17 /* user datagram protocol */ 6933804Sjulian#define IPPROTO_MUX 18 /* Multiplexing */ 7033804Sjulian#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 7133804Sjulian#define IPPROTO_HMP 20 /* Host Monitoring */ 7233804Sjulian#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 731541Srgrimes#define IPPROTO_IDP 22 /* xns idp */ 7433804Sjulian#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 7533804Sjulian#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 7633804Sjulian#define IPPROTO_LEAF1 25 /* Leaf-1 */ 7733804Sjulian#define IPPROTO_LEAF2 26 /* Leaf-2 */ 7833804Sjulian#define IPPROTO_RDP 27 /* Reliable Data */ 7933804Sjulian#define IPPROTO_IRTP 28 /* Reliable Transaction */ 801541Srgrimes#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 8133804Sjulian#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 8233804Sjulian#define IPPROTO_NSP 31 /* Network Services */ 8333804Sjulian#define IPPROTO_INP 32 /* Merit Internodal */ 8433804Sjulian#define IPPROTO_SEP 33 /* Sequential Exchange */ 8533804Sjulian#define IPPROTO_3PC 34 /* Third Party Connect */ 8633804Sjulian#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 8733804Sjulian#define IPPROTO_XTP 36 /* XTP */ 8833804Sjulian#define IPPROTO_DDP 37 /* Datagram Delivery */ 8933804Sjulian#define IPPROTO_CMTP 38 /* Control Message Transport */ 9033804Sjulian#define IPPROTO_TPXX 39 /* TP++ Transport */ 9133804Sjulian#define IPPROTO_IL 40 /* IL transport protocol */ 9252904Sshin#define IPPROTO_IPV6 41 /* IP6 header */ 9333804Sjulian#define IPPROTO_SDRP 42 /* Source Demand Routing */ 9452904Sshin#define IPPROTO_ROUTING 43 /* IP6 routing header */ 9552904Sshin#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 9633804Sjulian#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 9752904Sshin#define IPPROTO_RSVP 46 /* resource reservation */ 9833804Sjulian#define IPPROTO_GRE 47 /* General Routing Encap. */ 9933804Sjulian#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 10033804Sjulian#define IPPROTO_BHA 49 /* BHA */ 10152904Sshin#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 10252904Sshin#define IPPROTO_AH 51 /* IP6 Auth Header */ 10333804Sjulian#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 10433804Sjulian#define IPPROTO_SWIPE 53 /* IP with encryption */ 10533804Sjulian#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 10672486Sasmodai#define IPPROTO_MOBILE 55 /* IP Mobility */ 10772486Sasmodai#define IPPROTO_TLSP 56 /* Transport Layer Security */ 10872486Sasmodai#define IPPROTO_SKIP 57 /* SKIP */ 10952904Sshin#define IPPROTO_ICMPV6 58 /* ICMP6 */ 11052904Sshin#define IPPROTO_NONE 59 /* IP6 no next header */ 11152904Sshin#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 11233804Sjulian#define IPPROTO_AHIP 61 /* any host internal protocol */ 11333804Sjulian#define IPPROTO_CFTP 62 /* CFTP */ 11433804Sjulian#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 11533804Sjulian#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 11633804Sjulian#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 11733804Sjulian#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 11833804Sjulian#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 11933804Sjulian#define IPPROTO_ADFS 68 /* Any distributed FS */ 12033804Sjulian#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 12133804Sjulian#define IPPROTO_VISA 70 /* VISA Protocol */ 12233804Sjulian#define IPPROTO_IPCV 71 /* Packet Core Utility */ 12333804Sjulian#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 12433804Sjulian#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 12533804Sjulian#define IPPROTO_WSN 74 /* Wang Span Network */ 12633804Sjulian#define IPPROTO_PVP 75 /* Packet Video Protocol */ 12733804Sjulian#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 12833804Sjulian#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 12933804Sjulian#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 13033804Sjulian#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 1311541Srgrimes#define IPPROTO_EON 80 /* ISO cnlp */ 13233804Sjulian#define IPPROTO_VMTP 81 /* VMTP */ 13333804Sjulian#define IPPROTO_SVMTP 82 /* Secure VMTP */ 13433804Sjulian#define IPPROTO_VINES 83 /* Banyon VINES */ 13533804Sjulian#define IPPROTO_TTP 84 /* TTP */ 13633804Sjulian#define IPPROTO_IGP 85 /* NSFNET-IGP */ 13733804Sjulian#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 13833814Sjulian#define IPPROTO_TCF 87 /* TCF */ 13933804Sjulian#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 14033804Sjulian#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 14133804Sjulian#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 14233804Sjulian#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 14333804Sjulian#define IPPROTO_MTP 92 /* Multicast Transport */ 14433804Sjulian#define IPPROTO_AX25 93 /* AX.25 Frames */ 14533804Sjulian#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 14633804Sjulian#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 14733804Sjulian#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 14833804Sjulian#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 1491541Srgrimes#define IPPROTO_ENCAP 98 /* encapsulation header */ 15033804Sjulian#define IPPROTO_APES 99 /* any private encr. scheme */ 15133804Sjulian#define IPPROTO_GMTP 100 /* GMTP*/ 15252904Sshin#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 15346420Sluigi/* 101-254: Partly Unassigned */ 15452904Sshin#define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 15546420Sluigi#define IPPROTO_PGM 113 /* PGM */ 15633804Sjulian/* 255: Reserved */ 15733804Sjulian/* BSD Private, local use, namespace incursion */ 15817072Sjulian#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 1591541Srgrimes#define IPPROTO_RAW 255 /* raw IP packet */ 1601541Srgrimes#define IPPROTO_MAX 256 1611541Srgrimes 16252904Sshin/* last return value of *_input(), meaning "all job for this pkt is done". */ 16352904Sshin#define IPPROTO_DONE 257 1641541Srgrimes 1651541Srgrimes/* 1661541Srgrimes * Local port number conventions: 16714195Speter * 16814195Speter * When a user does a bind(2) or connect(2) with a port number of zero, 16914195Speter * a non-conflicting local port address is chosen. 17014195Speter * The default range is IPPORT_RESERVED through 17114195Speter * IPPORT_USERRESERVED, although that is settable by sysctl. 17214195Speter * 17314195Speter * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 17414195Speter * default assignment range. 17514195Speter * 17614195Speter * The value IP_PORTRANGE_DEFAULT causes the default behavior. 17714195Speter * 17814195Speter * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 17914195Speter * into the "high" range. These are reserved for client outbound connections 18014195Speter * which do not want to be filtered by any firewalls. 18114195Speter * 18214195Speter * The value IP_PORTRANGE_LOW changes the range to the "low" are 18314195Speter * that is (by convention) restricted to privileged processes. This 18414195Speter * convention is based on "vouchsafe" principles only. It is only secure 18514195Speter * if you trust the remote host to restrict these ports. 18614195Speter * 18714195Speter * The default range of ports and the high range can be changed by 18817541Speter * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 18914195Speter * 19014195Speter * Changing those values has bad security implications if you are 19114195Speter * using a a stateless firewall that is allowing packets outside of that 19214195Speter * range in order to allow transparent outgoing connections. 19314195Speter * 19414195Speter * Such a firewall configuration will generally depend on the use of these 19514195Speter * default values. If you change them, you may find your Security 19614195Speter * Administrator looking for you with a heavy object. 19735304Sphk * 19835304Sphk * For a slightly more orthodox text view on this: 19935304Sphk * 20035304Sphk * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 20135304Sphk * 20235304Sphk * port numbers are divided into three ranges: 20335304Sphk * 20435304Sphk * 0 - 1023 Well Known Ports 20535304Sphk * 1024 - 49151 Registered Ports 20635304Sphk * 49152 - 65535 Dynamic and/or Private Ports 20735304Sphk * 20814195Speter */ 20914195Speter 21014195Speter/* 2111541Srgrimes * Ports < IPPORT_RESERVED are reserved for 21214195Speter * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 2131541Srgrimes * Ports > IPPORT_USERRESERVED are reserved 21414195Speter * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) 2151541Srgrimes */ 2161541Srgrimes#define IPPORT_RESERVED 1024 2171541Srgrimes#define IPPORT_USERRESERVED 5000 2181541Srgrimes 2191541Srgrimes/* 22014195Speter * Default local port range to use by setting IP_PORTRANGE_HIGH 22113491Speter */ 22235304Sphk#define IPPORT_HIFIRSTAUTO 49152 22335304Sphk#define IPPORT_HILASTAUTO 65535 22413491Speter 22513491Speter/* 22617541Speter * Scanning for a free reserved port return a value below IPPORT_RESERVED, 22717541Speter * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 22817541Speter * 512, but that conflicts with some well-known-services that firewalls may 22917541Speter * have a fit if we use. 23017541Speter */ 23117541Speter#define IPPORT_RESERVEDSTART 600 23217541Speter 23387158Smike#define IPPORT_MAX 65535 23487158Smike 23593514Smike#ifndef _UINT8_T_DECLARED 23693514Smiketypedef __uint8_t uint8_t; 23793514Smike#define _UINT8_T_DECLARED 23887158Smike#endif 23987158Smike 24093514Smike#ifndef _UINT16_T_DECLARED 24193514Smiketypedef __uint16_t uint16_t; 24293514Smike#define _UINT16_T_DECLARED 24387158Smike#endif 24487158Smike 24593514Smike#ifndef _UINT32_T_DECLARED 24693514Smiketypedef __uint32_t uint32_t; 24793514Smike#define _UINT32_T_DECLARED 24893514Smike#endif 24993514Smike 25093514Smike#ifndef _IN_ADDR_T_DECLARED 25193514Smiketypedef uint32_t in_addr_t; 25293514Smike#define _IN_ADDR_T_DECLARED 25393514Smike#endif 25493514Smike 25593514Smike#ifndef _IN_PORT_T_DECLARED 25693514Smiketypedef uint16_t in_port_t; 25793514Smike#define _IN_PORT_T_DECLARED 25893514Smike#endif 25993514Smike 26017541Speter/* 2611541Srgrimes * Internet address (a structure for historical reasons) 2621541Srgrimes */ 26387158Smike#ifndef _STRUCT_IN_ADDR_DECLARED 2641541Srgrimesstruct in_addr { 26574700Sume in_addr_t s_addr; 2661541Srgrimes}; 26787158Smike#define _STRUCT_IN_ADDR_DECLARED 26887158Smike#endif 2691541Srgrimes 2701541Srgrimes/* 2711541Srgrimes * Definitions of bits in internet address integers. 2721541Srgrimes * On subnets, the decomposition of addresses to host and net parts 2731541Srgrimes * is done according to subnet mask, not the masks here. 2741541Srgrimes */ 27535919Sjb#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 2761541Srgrimes#define IN_CLASSA_NET 0xff000000 2771541Srgrimes#define IN_CLASSA_NSHIFT 24 2781541Srgrimes#define IN_CLASSA_HOST 0x00ffffff 2791541Srgrimes#define IN_CLASSA_MAX 128 2801541Srgrimes 28135919Sjb#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 2821541Srgrimes#define IN_CLASSB_NET 0xffff0000 2831541Srgrimes#define IN_CLASSB_NSHIFT 16 2841541Srgrimes#define IN_CLASSB_HOST 0x0000ffff 2851541Srgrimes#define IN_CLASSB_MAX 65536 2861541Srgrimes 28735919Sjb#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 2881541Srgrimes#define IN_CLASSC_NET 0xffffff00 2891541Srgrimes#define IN_CLASSC_NSHIFT 8 2901541Srgrimes#define IN_CLASSC_HOST 0x000000ff 2911541Srgrimes 29235919Sjb#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 2931541Srgrimes#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 2941541Srgrimes#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 2951541Srgrimes#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 2961541Srgrimes#define IN_MULTICAST(i) IN_CLASSD(i) 2971541Srgrimes 29835919Sjb#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 29935919Sjb#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 3001541Srgrimes 30135919Sjb#define INADDR_ANY (u_int32_t)0x00000000 30235919Sjb#define INADDR_LOOPBACK (u_int32_t)0x7f000001 30335919Sjb#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 30455205Speter#ifndef _KERNEL 3051541Srgrimes#define INADDR_NONE 0xffffffff /* -1 return */ 3061541Srgrimes#endif 3071541Srgrimes 30835919Sjb#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 30935919Sjb#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 31035919Sjb#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 31135919Sjb#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 3121541Srgrimes 3131541Srgrimes#define IN_LOOPBACKNET 127 /* official! */ 3141541Srgrimes 3151541Srgrimes/* 3161541Srgrimes * Socket address, internet style. 3171541Srgrimes */ 3181541Srgrimesstruct sockaddr_in { 3191541Srgrimes u_char sin_len; 3201541Srgrimes u_char sin_family; 3211541Srgrimes u_short sin_port; 3221541Srgrimes struct in_addr sin_addr; 3231541Srgrimes char sin_zero[8]; 3241541Srgrimes}; 3251541Srgrimes 32691984Smike#ifndef INET_ADDRSTRLEN 32752904Sshin#define INET_ADDRSTRLEN 16 32891984Smike#endif 32952904Sshin 3301541Srgrimes/* 3311541Srgrimes * Options for use with [gs]etsockopt at the IP level. 3321541Srgrimes * First word of comment is data type; bool is stored in int. 3331541Srgrimes */ 3341541Srgrimes#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 3351541Srgrimes#define IP_HDRINCL 2 /* int; header is included with data */ 3361541Srgrimes#define IP_TOS 3 /* int; IP type of service and preced. */ 3371541Srgrimes#define IP_TTL 4 /* int; IP time to live */ 3381541Srgrimes#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 3391541Srgrimes#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 3401541Srgrimes#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 3411541Srgrimes#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 3421541Srgrimes#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 3431541Srgrimes#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 3441541Srgrimes#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 3451541Srgrimes#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 3461541Srgrimes#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 3472531Swollman#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 3482531Swollman#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 3492531Swollman#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 3509209Swollman#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 3519209Swollman#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 35214195Speter#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 35319622Sfenner#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 35452904Sshin/* for IPSEC */ 35552904Sshin#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 35652904Sshin#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 3571541Srgrimes 35852904Sshin#define IP_FW_ADD 50 /* add a firewall rule to chain */ 35952904Sshin#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 36052904Sshin#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 36152904Sshin#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 36252904Sshin#define IP_FW_GET 54 /* get entire firewall rule chain */ 36352904Sshin#define IP_FW_RESETLOG 55 /* reset logging counters */ 36417758Ssos 36541793Sluigi#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 36641793Sluigi#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 36741793Sluigi#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 36841793Sluigi#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 36941793Sluigi 3701541Srgrimes/* 3711541Srgrimes * Defaults and limits for options 3721541Srgrimes */ 3731541Srgrimes#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 3741541Srgrimes#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 3759209Swollman#define IP_MAX_MEMBERSHIPS 20 /* per socket */ 3761541Srgrimes 3771541Srgrimes/* 3781541Srgrimes * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 3791541Srgrimes */ 3801541Srgrimesstruct ip_mreq { 3811541Srgrimes struct in_addr imr_multiaddr; /* IP multicast address of group */ 3821541Srgrimes struct in_addr imr_interface; /* local IP address of interface */ 3831541Srgrimes}; 3841541Srgrimes 3851541Srgrimes/* 38614195Speter * Argument for IP_PORTRANGE: 38714195Speter * - which range to search when port is unspecified at bind() or connect() 38814195Speter */ 38914195Speter#define IP_PORTRANGE_DEFAULT 0 /* default range */ 39014195Speter#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 39114195Speter#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 39214195Speter 39314195Speter/* 3941541Srgrimes * Definitions for inet sysctl operations. 3951541Srgrimes * 3961541Srgrimes * Third level is protocol number. 3971541Srgrimes * Fourth level is desired variable within that protocol. 3981541Srgrimes */ 39962587Sitojun#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 4001541Srgrimes 4011541Srgrimes#define CTL_IPPROTO_NAMES { \ 4021541Srgrimes { "ip", CTLTYPE_NODE }, \ 4031541Srgrimes { "icmp", CTLTYPE_NODE }, \ 4041541Srgrimes { "igmp", CTLTYPE_NODE }, \ 4051541Srgrimes { "ggp", CTLTYPE_NODE }, \ 4061541Srgrimes { 0, 0 }, \ 4071541Srgrimes { 0, 0 }, \ 4081541Srgrimes { "tcp", CTLTYPE_NODE }, \ 4091541Srgrimes { 0, 0 }, \ 4101541Srgrimes { "egp", CTLTYPE_NODE }, \ 4111541Srgrimes { 0, 0 }, \ 4121541Srgrimes { 0, 0 }, \ 4131541Srgrimes { 0, 0 }, \ 4141541Srgrimes { "pup", CTLTYPE_NODE }, \ 4151541Srgrimes { 0, 0 }, \ 4161541Srgrimes { 0, 0 }, \ 4171541Srgrimes { 0, 0 }, \ 4181541Srgrimes { 0, 0 }, \ 4191541Srgrimes { "udp", CTLTYPE_NODE }, \ 4201541Srgrimes { 0, 0 }, \ 4211541Srgrimes { 0, 0 }, \ 4221541Srgrimes { 0, 0 }, \ 4231541Srgrimes { 0, 0 }, \ 4241541Srgrimes { "idp", CTLTYPE_NODE }, \ 42562587Sitojun { 0, 0 }, \ 42662587Sitojun { 0, 0 }, \ 42762587Sitojun { 0, 0 }, \ 42862587Sitojun { 0, 0 }, \ 42962587Sitojun { 0, 0 }, \ 43062587Sitojun { 0, 0 }, \ 43162587Sitojun { 0, 0 }, \ 43262587Sitojun { 0, 0 }, \ 43362587Sitojun { 0, 0 }, \ 43462587Sitojun { 0, 0 }, \ 43562587Sitojun { 0, 0 }, \ 43662587Sitojun { 0, 0 }, \ 43762587Sitojun { 0, 0 }, \ 43862587Sitojun { 0, 0 }, \ 43962587Sitojun { 0, 0 }, \ 44062587Sitojun { 0, 0 }, \ 44162587Sitojun { 0, 0 }, \ 44262587Sitojun { 0, 0 }, \ 44362587Sitojun { 0, 0 }, \ 44462587Sitojun { 0, 0 }, \ 44562587Sitojun { 0, 0 }, \ 44662587Sitojun { 0, 0 }, \ 44762587Sitojun { 0, 0 }, \ 44862587Sitojun { 0, 0 }, \ 44962587Sitojun { 0, 0 }, \ 45062587Sitojun { 0, 0 }, \ 45162587Sitojun { 0, 0 }, \ 45262587Sitojun { 0, 0 }, \ 45362587Sitojun { "ipsec", CTLTYPE_NODE }, \ 4541541Srgrimes} 4551541Srgrimes 4561541Srgrimes/* 4571541Srgrimes * Names for IP sysctl objects 4581541Srgrimes */ 4591541Srgrimes#define IPCTL_FORWARDING 1 /* act as router */ 4601541Srgrimes#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 4611541Srgrimes#define IPCTL_DEFTTL 3 /* default TTL */ 4621541Srgrimes#ifdef notyet 4631541Srgrimes#define IPCTL_DEFMTU 4 /* default MTU */ 4641541Srgrimes#endif 4655109Swollman#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 4666399Swollman#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 4676399Swollman#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 4687091Swollman#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 4699575Speter#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 47012003Swollman#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 47152904Sshin#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 47229838Swollman#define IPCTL_STATS 12 /* ipstat structure */ 47333440Sguido#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 47452904Sshin#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 47555009Sshin#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 47652904Sshin#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 47752904Sshin#define IPCTL_MAXID 17 4781541Srgrimes 4791541Srgrimes#define IPCTL_NAMES { \ 4801541Srgrimes { 0, 0 }, \ 4811541Srgrimes { "forwarding", CTLTYPE_INT }, \ 4821541Srgrimes { "redirect", CTLTYPE_INT }, \ 4831541Srgrimes { "ttl", CTLTYPE_INT }, \ 4841541Srgrimes { "mtu", CTLTYPE_INT }, \ 4855109Swollman { "rtexpire", CTLTYPE_INT }, \ 4866399Swollman { "rtminexpire", CTLTYPE_INT }, \ 4876399Swollman { "rtmaxcache", CTLTYPE_INT }, \ 4887091Swollman { "sourceroute", CTLTYPE_INT }, \ 4899575Speter { "directed-broadcast", CTLTYPE_INT }, \ 49012003Swollman { "intr-queue-maxlen", CTLTYPE_INT }, \ 49112003Swollman { "intr-queue-drops", CTLTYPE_INT }, \ 49229838Swollman { "stats", CTLTYPE_STRUCT }, \ 49333440Sguido { "accept_sourceroute", CTLTYPE_INT }, \ 49436192Sdg { "fastforwarding", CTLTYPE_INT }, \ 4951541Srgrimes} 4961541Srgrimes 49778243Speter#ifdef _KERNEL 49878243Speterstruct ifnet; struct mbuf; /* forward declarations for Standard C */ 49978243Speter#endif 50078243Speter 50152904Sshin/* INET6 stuff */ 50257120Sshin#define __KAME_NETINET_IN_H_INCLUDED_ 50352904Sshin#include <netinet6/in6.h> 50457120Sshin#undef __KAME_NETINET_IN_H_INCLUDED_ 5051541Srgrimes 50655205Speter#ifdef _KERNEL 5077088Swollman 50892723Salfredint in_broadcast(struct in_addr, struct ifnet *); 50992723Salfredint in_canforward(struct in_addr); 51092723Salfredint in_localaddr(struct in_addr); 51192723Salfredchar *inet_ntoa(struct in_addr); /* in libkern */ 51292723Salfredchar *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 5132169Spaul 51484101Sjlemon#define satosin(sa) ((struct sockaddr_in *)(sa)) 51584101Sjlemon#define sintosa(sin) ((struct sockaddr *)(sin)) 51684101Sjlemon#define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 51784101Sjlemon 51890868Smike#else /* !_KERNEL */ 51990868Smike 52091959Smike#ifndef _BYTEORDER_PROTOTYPED 52191959Smike#define _BYTEORDER_PROTOTYPED 52291959Smike__BEGIN_DECLS 52393514Smikeuint32_t htonl(uint32_t); 52493514Smikeuint16_t htons(uint16_t); 52593514Smikeuint32_t ntohl(uint32_t); 52693514Smikeuint16_t ntohs(uint16_t); 52791959Smike__END_DECLS 52891959Smike#endif 52991959Smike 53090868Smike#ifndef _BYTEORDER_FUNC_DEFINED 53190868Smike#define _BYTEORDER_FUNC_DEFINED 53290868Smike#define htonl(x) __htonl(x) 53390868Smike#define htons(x) __htons(x) 53490868Smike#define ntohl(x) __ntohl(x) 53590868Smike#define ntohs(x) __ntohs(x) 53655205Speter#endif 53715026Sphk 53890868Smike#endif /* _KERNEL */ 53990868Smike 5402169Spaul#endif 541