in.h revision 50477
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 50477 1999-08-28 01:08:13Z peter $ 351541Srgrimes */ 361541Srgrimes 372169Spaul#ifndef _NETINET_IN_H_ 382169Spaul#define _NETINET_IN_H_ 392169Spaul 401541Srgrimes/* 411541Srgrimes * Constants and structures defined by the internet system, 421541Srgrimes * Per RFC 790, September 1981, and numerous additions. 431541Srgrimes */ 441541Srgrimes 451541Srgrimes/* 4633804Sjulian * Protocols (RFC 1700) 471541Srgrimes */ 481541Srgrimes#define IPPROTO_IP 0 /* dummy for IP */ 491541Srgrimes#define IPPROTO_ICMP 1 /* control message protocol */ 501541Srgrimes#define IPPROTO_IGMP 2 /* group mgmt protocol */ 511541Srgrimes#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 529209Swollman#define IPPROTO_IPIP 4 /* IP encapsulation in IP */ 531541Srgrimes#define IPPROTO_TCP 6 /* tcp */ 5433804Sjulian#define IPPROTO_ST 7 /* Stream protocol II */ 551541Srgrimes#define IPPROTO_EGP 8 /* exterior gateway protocol */ 5633804Sjulian#define IPPROTO_PIGP 9 /* private interior gateway */ 5733804Sjulian#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 5833804Sjulian#define IPPROTO_NVPII 11 /* network voice protocol*/ 591541Srgrimes#define IPPROTO_PUP 12 /* pup */ 6033804Sjulian#define IPPROTO_ARGUS 13 /* Argus */ 6133804Sjulian#define IPPROTO_EMCON 14 /* EMCON */ 6233804Sjulian#define IPPROTO_XNET 15 /* Cross Net Debugger */ 6333804Sjulian#define IPPROTO_CHAOS 16 /* Chaos*/ 641541Srgrimes#define IPPROTO_UDP 17 /* user datagram protocol */ 6533804Sjulian#define IPPROTO_MUX 18 /* Multiplexing */ 6633804Sjulian#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 6733804Sjulian#define IPPROTO_HMP 20 /* Host Monitoring */ 6833804Sjulian#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 691541Srgrimes#define IPPROTO_IDP 22 /* xns idp */ 7033804Sjulian#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 7133804Sjulian#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 7233804Sjulian#define IPPROTO_LEAF1 25 /* Leaf-1 */ 7333804Sjulian#define IPPROTO_LEAF2 26 /* Leaf-2 */ 7433804Sjulian#define IPPROTO_RDP 27 /* Reliable Data */ 7533804Sjulian#define IPPROTO_IRTP 28 /* Reliable Transaction */ 761541Srgrimes#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 7733804Sjulian#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 7833804Sjulian#define IPPROTO_NSP 31 /* Network Services */ 7933804Sjulian#define IPPROTO_INP 32 /* Merit Internodal */ 8033804Sjulian#define IPPROTO_SEP 33 /* Sequential Exchange */ 8133804Sjulian#define IPPROTO_3PC 34 /* Third Party Connect */ 8233804Sjulian#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 8333804Sjulian#define IPPROTO_XTP 36 /* XTP */ 8433804Sjulian#define IPPROTO_DDP 37 /* Datagram Delivery */ 8533804Sjulian#define IPPROTO_CMTP 38 /* Control Message Transport */ 8633804Sjulian#define IPPROTO_TPXX 39 /* TP++ Transport */ 8733804Sjulian#define IPPROTO_IL 40 /* IL transport protocol */ 8833804Sjulian#define IPPROTO_SIP 41 /* Simple Internet Protocol */ 8933804Sjulian#define IPPROTO_SDRP 42 /* Source Demand Routing */ 9033804Sjulian#define IPPROTO_SIPSR 43 /* SIP Source Route */ 9133804Sjulian#define IPPROTO_SIPFRAG 44 /* SIP Fragment */ 9233804Sjulian#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 932531Swollman#define IPPROTO_RSVP 46 /* resource reservation */ 9433804Sjulian#define IPPROTO_GRE 47 /* General Routing Encap. */ 9533804Sjulian#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 9633804Sjulian#define IPPROTO_BHA 49 /* BHA */ 9733804Sjulian#define IPPROTO_ESP 50 /* SIPP Encap Sec. Payload */ 9833804Sjulian#define IPPROTO_AH 51 /* SIPP Auth Header */ 9933804Sjulian#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 10033804Sjulian#define IPPROTO_SWIPE 53 /* IP with encryption */ 10133804Sjulian#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 10233804Sjulian/* 55-60: Unassigned */ 10333804Sjulian#define IPPROTO_AHIP 61 /* any host internal protocol */ 10433804Sjulian#define IPPROTO_CFTP 62 /* CFTP */ 10533804Sjulian#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 10633804Sjulian#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 10733804Sjulian#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 10833804Sjulian#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 10933804Sjulian#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 11033804Sjulian#define IPPROTO_ADFS 68 /* Any distributed FS */ 11133804Sjulian#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 11233804Sjulian#define IPPROTO_VISA 70 /* VISA Protocol */ 11333804Sjulian#define IPPROTO_IPCV 71 /* Packet Core Utility */ 11433804Sjulian#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 11533804Sjulian#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 11633804Sjulian#define IPPROTO_WSN 74 /* Wang Span Network */ 11733804Sjulian#define IPPROTO_PVP 75 /* Packet Video Protocol */ 11833804Sjulian#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 11933804Sjulian#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 12033804Sjulian#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 12133804Sjulian#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 1221541Srgrimes#define IPPROTO_EON 80 /* ISO cnlp */ 12333804Sjulian#define IPPROTO_VMTP 81 /* VMTP */ 12433804Sjulian#define IPPROTO_SVMTP 82 /* Secure VMTP */ 12533804Sjulian#define IPPROTO_VINES 83 /* Banyon VINES */ 12633804Sjulian#define IPPROTO_TTP 84 /* TTP */ 12733804Sjulian#define IPPROTO_IGP 85 /* NSFNET-IGP */ 12833804Sjulian#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 12933814Sjulian#define IPPROTO_TCF 87 /* TCF */ 13033804Sjulian#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 13133804Sjulian#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 13233804Sjulian#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 13333804Sjulian#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 13433804Sjulian#define IPPROTO_MTP 92 /* Multicast Transport */ 13533804Sjulian#define IPPROTO_AX25 93 /* AX.25 Frames */ 13633804Sjulian#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 13733804Sjulian#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 13833804Sjulian#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 13933804Sjulian#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 1401541Srgrimes#define IPPROTO_ENCAP 98 /* encapsulation header */ 14133804Sjulian#define IPPROTO_APES 99 /* any private encr. scheme */ 14233804Sjulian#define IPPROTO_GMTP 100 /* GMTP*/ 14346420Sluigi/* 101-254: Partly Unassigned */ 14446420Sluigi#define IPPROTO_PGM 113 /* PGM */ 14533804Sjulian/* 255: Reserved */ 14633804Sjulian/* BSD Private, local use, namespace incursion */ 14717072Sjulian#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 1481541Srgrimes#define IPPROTO_RAW 255 /* raw IP packet */ 1491541Srgrimes#define IPPROTO_MAX 256 1501541Srgrimes 1511541Srgrimes 1521541Srgrimes/* 1531541Srgrimes * Local port number conventions: 15414195Speter * 15514195Speter * When a user does a bind(2) or connect(2) with a port number of zero, 15614195Speter * a non-conflicting local port address is chosen. 15714195Speter * The default range is IPPORT_RESERVED through 15814195Speter * IPPORT_USERRESERVED, although that is settable by sysctl. 15914195Speter * 16014195Speter * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 16114195Speter * default assignment range. 16214195Speter * 16314195Speter * The value IP_PORTRANGE_DEFAULT causes the default behavior. 16414195Speter * 16514195Speter * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 16614195Speter * into the "high" range. These are reserved for client outbound connections 16714195Speter * which do not want to be filtered by any firewalls. 16814195Speter * 16914195Speter * The value IP_PORTRANGE_LOW changes the range to the "low" are 17014195Speter * that is (by convention) restricted to privileged processes. This 17114195Speter * convention is based on "vouchsafe" principles only. It is only secure 17214195Speter * if you trust the remote host to restrict these ports. 17314195Speter * 17414195Speter * The default range of ports and the high range can be changed by 17517541Speter * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 17614195Speter * 17714195Speter * Changing those values has bad security implications if you are 17814195Speter * using a a stateless firewall that is allowing packets outside of that 17914195Speter * range in order to allow transparent outgoing connections. 18014195Speter * 18114195Speter * Such a firewall configuration will generally depend on the use of these 18214195Speter * default values. If you change them, you may find your Security 18314195Speter * Administrator looking for you with a heavy object. 18435304Sphk * 18535304Sphk * For a slightly more orthodox text view on this: 18635304Sphk * 18735304Sphk * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 18835304Sphk * 18935304Sphk * port numbers are divided into three ranges: 19035304Sphk * 19135304Sphk * 0 - 1023 Well Known Ports 19235304Sphk * 1024 - 49151 Registered Ports 19335304Sphk * 49152 - 65535 Dynamic and/or Private Ports 19435304Sphk * 19514195Speter */ 19614195Speter 19714195Speter/* 1981541Srgrimes * Ports < IPPORT_RESERVED are reserved for 19914195Speter * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 2001541Srgrimes * Ports > IPPORT_USERRESERVED are reserved 20114195Speter * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) 2021541Srgrimes */ 2031541Srgrimes#define IPPORT_RESERVED 1024 2041541Srgrimes#define IPPORT_USERRESERVED 5000 2051541Srgrimes 2061541Srgrimes/* 20714195Speter * Default local port range to use by setting IP_PORTRANGE_HIGH 20813491Speter */ 20935304Sphk#define IPPORT_HIFIRSTAUTO 49152 21035304Sphk#define IPPORT_HILASTAUTO 65535 21113491Speter 21213491Speter/* 21317541Speter * Scanning for a free reserved port return a value below IPPORT_RESERVED, 21417541Speter * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 21517541Speter * 512, but that conflicts with some well-known-services that firewalls may 21617541Speter * have a fit if we use. 21717541Speter */ 21817541Speter#define IPPORT_RESERVEDSTART 600 21917541Speter 22017541Speter/* 2211541Srgrimes * Internet address (a structure for historical reasons) 2221541Srgrimes */ 2231541Srgrimesstruct in_addr { 22435919Sjb u_int32_t s_addr; 2251541Srgrimes}; 2261541Srgrimes 2271541Srgrimes/* 2281541Srgrimes * Definitions of bits in internet address integers. 2291541Srgrimes * On subnets, the decomposition of addresses to host and net parts 2301541Srgrimes * is done according to subnet mask, not the masks here. 2311541Srgrimes */ 23235919Sjb#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 2331541Srgrimes#define IN_CLASSA_NET 0xff000000 2341541Srgrimes#define IN_CLASSA_NSHIFT 24 2351541Srgrimes#define IN_CLASSA_HOST 0x00ffffff 2361541Srgrimes#define IN_CLASSA_MAX 128 2371541Srgrimes 23835919Sjb#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 2391541Srgrimes#define IN_CLASSB_NET 0xffff0000 2401541Srgrimes#define IN_CLASSB_NSHIFT 16 2411541Srgrimes#define IN_CLASSB_HOST 0x0000ffff 2421541Srgrimes#define IN_CLASSB_MAX 65536 2431541Srgrimes 24435919Sjb#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 2451541Srgrimes#define IN_CLASSC_NET 0xffffff00 2461541Srgrimes#define IN_CLASSC_NSHIFT 8 2471541Srgrimes#define IN_CLASSC_HOST 0x000000ff 2481541Srgrimes 24935919Sjb#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 2501541Srgrimes#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 2511541Srgrimes#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 2521541Srgrimes#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 2531541Srgrimes#define IN_MULTICAST(i) IN_CLASSD(i) 2541541Srgrimes 25535919Sjb#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 25635919Sjb#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 2571541Srgrimes 25835919Sjb#define INADDR_ANY (u_int32_t)0x00000000 25935919Sjb#define INADDR_LOOPBACK (u_int32_t)0x7f000001 26035919Sjb#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 2611541Srgrimes#ifndef KERNEL 2621541Srgrimes#define INADDR_NONE 0xffffffff /* -1 return */ 2631541Srgrimes#endif 2641541Srgrimes 26535919Sjb#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 26635919Sjb#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 26735919Sjb#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 26835919Sjb#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 2691541Srgrimes 2701541Srgrimes#define IN_LOOPBACKNET 127 /* official! */ 2711541Srgrimes 2721541Srgrimes/* 2731541Srgrimes * Socket address, internet style. 2741541Srgrimes */ 2751541Srgrimesstruct sockaddr_in { 2761541Srgrimes u_char sin_len; 2771541Srgrimes u_char sin_family; 2781541Srgrimes u_short sin_port; 2791541Srgrimes struct in_addr sin_addr; 2801541Srgrimes char sin_zero[8]; 2811541Srgrimes}; 2821541Srgrimes 2831541Srgrimes/* 2841541Srgrimes * Structure used to describe IP options. 2851541Srgrimes * Used to store options internally, to pass them to a process, 2861541Srgrimes * or to restore options retrieved earlier. 2871541Srgrimes * The ip_dst is used for the first-hop gateway when using a source route 2881541Srgrimes * (this gets put into the header proper). 2891541Srgrimes */ 2901541Srgrimesstruct ip_opts { 2911541Srgrimes struct in_addr ip_dst; /* first hop, 0 w/o src rt */ 2921541Srgrimes char ip_opts[40]; /* actually variable in size */ 2931541Srgrimes}; 2941541Srgrimes 2951541Srgrimes/* 2961541Srgrimes * Options for use with [gs]etsockopt at the IP level. 2971541Srgrimes * First word of comment is data type; bool is stored in int. 2981541Srgrimes */ 2991541Srgrimes#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 3001541Srgrimes#define IP_HDRINCL 2 /* int; header is included with data */ 3011541Srgrimes#define IP_TOS 3 /* int; IP type of service and preced. */ 3021541Srgrimes#define IP_TTL 4 /* int; IP time to live */ 3031541Srgrimes#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 3041541Srgrimes#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 3051541Srgrimes#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 3061541Srgrimes#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 3071541Srgrimes#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 3081541Srgrimes#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 3091541Srgrimes#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 3101541Srgrimes#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 3111541Srgrimes#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 3122531Swollman#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 3132531Swollman#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 3142531Swollman#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 3159209Swollman#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 3169209Swollman#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 31714195Speter#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 31819622Sfenner#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 3191541Srgrimes 32017758Ssos#define IP_FW_ADD 50 /* add a firewall rule to chain */ 32117758Ssos#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 32217758Ssos#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 32319035Salex#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 32417758Ssos#define IP_FW_GET 54 /* get entire firewall rule chain */ 32549350Sgreen#define IP_FW_RESETLOG 55 /* reset logging counters */ 32617758Ssos 32741793Sluigi#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 32841793Sluigi#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 32941793Sluigi#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 33041793Sluigi#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 33141793Sluigi 3321541Srgrimes/* 3331541Srgrimes * Defaults and limits for options 3341541Srgrimes */ 3351541Srgrimes#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 3361541Srgrimes#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 3379209Swollman#define IP_MAX_MEMBERSHIPS 20 /* per socket */ 3381541Srgrimes 3391541Srgrimes/* 3401541Srgrimes * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 3411541Srgrimes */ 3421541Srgrimesstruct ip_mreq { 3431541Srgrimes struct in_addr imr_multiaddr; /* IP multicast address of group */ 3441541Srgrimes struct in_addr imr_interface; /* local IP address of interface */ 3451541Srgrimes}; 3461541Srgrimes 3471541Srgrimes/* 34814195Speter * Argument for IP_PORTRANGE: 34914195Speter * - which range to search when port is unspecified at bind() or connect() 35014195Speter */ 35114195Speter#define IP_PORTRANGE_DEFAULT 0 /* default range */ 35214195Speter#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 35314195Speter#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 35414195Speter 35514195Speter/* 3561541Srgrimes * Definitions for inet sysctl operations. 3571541Srgrimes * 3581541Srgrimes * Third level is protocol number. 3591541Srgrimes * Fourth level is desired variable within that protocol. 3601541Srgrimes */ 3611541Srgrimes#define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */ 3621541Srgrimes 3631541Srgrimes#define CTL_IPPROTO_NAMES { \ 3641541Srgrimes { "ip", CTLTYPE_NODE }, \ 3651541Srgrimes { "icmp", CTLTYPE_NODE }, \ 3661541Srgrimes { "igmp", CTLTYPE_NODE }, \ 3671541Srgrimes { "ggp", CTLTYPE_NODE }, \ 3681541Srgrimes { 0, 0 }, \ 3691541Srgrimes { 0, 0 }, \ 3701541Srgrimes { "tcp", CTLTYPE_NODE }, \ 3711541Srgrimes { 0, 0 }, \ 3721541Srgrimes { "egp", CTLTYPE_NODE }, \ 3731541Srgrimes { 0, 0 }, \ 3741541Srgrimes { 0, 0 }, \ 3751541Srgrimes { 0, 0 }, \ 3761541Srgrimes { "pup", CTLTYPE_NODE }, \ 3771541Srgrimes { 0, 0 }, \ 3781541Srgrimes { 0, 0 }, \ 3791541Srgrimes { 0, 0 }, \ 3801541Srgrimes { 0, 0 }, \ 3811541Srgrimes { "udp", CTLTYPE_NODE }, \ 3821541Srgrimes { 0, 0 }, \ 3831541Srgrimes { 0, 0 }, \ 3841541Srgrimes { 0, 0 }, \ 3851541Srgrimes { 0, 0 }, \ 3861541Srgrimes { "idp", CTLTYPE_NODE }, \ 3871541Srgrimes} 3881541Srgrimes 3891541Srgrimes/* 3901541Srgrimes * Names for IP sysctl objects 3911541Srgrimes */ 3921541Srgrimes#define IPCTL_FORWARDING 1 /* act as router */ 3931541Srgrimes#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 3941541Srgrimes#define IPCTL_DEFTTL 3 /* default TTL */ 3951541Srgrimes#ifdef notyet 3961541Srgrimes#define IPCTL_DEFMTU 4 /* default MTU */ 3971541Srgrimes#endif 3985109Swollman#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 3996399Swollman#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 4006399Swollman#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 4017091Swollman#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 4029575Speter#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 40312003Swollman#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 40412003Swollman#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 40529838Swollman#define IPCTL_STATS 12 /* ipstat structure */ 40633440Sguido#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 40736192Sdg#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 40836192Sdg#define IPCTL_MAXID 15 4091541Srgrimes 4101541Srgrimes#define IPCTL_NAMES { \ 4111541Srgrimes { 0, 0 }, \ 4121541Srgrimes { "forwarding", CTLTYPE_INT }, \ 4131541Srgrimes { "redirect", CTLTYPE_INT }, \ 4141541Srgrimes { "ttl", CTLTYPE_INT }, \ 4151541Srgrimes { "mtu", CTLTYPE_INT }, \ 4165109Swollman { "rtexpire", CTLTYPE_INT }, \ 4176399Swollman { "rtminexpire", CTLTYPE_INT }, \ 4186399Swollman { "rtmaxcache", CTLTYPE_INT }, \ 4197091Swollman { "sourceroute", CTLTYPE_INT }, \ 4209575Speter { "directed-broadcast", CTLTYPE_INT }, \ 42112003Swollman { "intr-queue-maxlen", CTLTYPE_INT }, \ 42212003Swollman { "intr-queue-drops", CTLTYPE_INT }, \ 42329838Swollman { "stats", CTLTYPE_STRUCT }, \ 42433440Sguido { "accept_sourceroute", CTLTYPE_INT }, \ 42536192Sdg { "fastforwarding", CTLTYPE_INT }, \ 4261541Srgrimes} 4271541Srgrimes 4281541Srgrimes 4291541Srgrimes#ifdef KERNEL 4307088Swollmanstruct ifnet; struct mbuf; /* forward declarations for Standard C */ 43146696Speterstruct proc; 4327088Swollman 4331541Srgrimesint in_broadcast __P((struct in_addr, struct ifnet *)); 4341541Srgrimesint in_canforward __P((struct in_addr)); 4351541Srgrimesint in_cksum __P((struct mbuf *, int)); 4361541Srgrimesint in_localaddr __P((struct in_addr)); 4377088Swollmanchar *inet_ntoa __P((struct in_addr)); /* in libkern */ 4382169Spaul 43946155Sphkint prison_ip __P((struct proc *p, int flag, u_int32_t *ip)); 44046155Sphkvoid prison_remote_ip __P((struct proc *p, int flag, u_int32_t *ip)); 44146155Sphk 44215026Sphk#endif /* KERNEL */ 44315026Sphk 4442169Spaul#endif 445