X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=libs%2Fwatt32%2Fnetinet%2Fin.h;fp=libs%2Fwatt32%2Fnetinet%2Fin.h;h=82fdf0fad1a1a23df676276e2b8801a66942d638;hb=214a070238552de6167bbf506cbc23006969a182;hp=0000000000000000000000000000000000000000;hpb=d3c8a942b99443abf0c11d9759994022ed6da597;p=oftp diff --git a/libs/watt32/netinet/in.h b/libs/watt32/netinet/in.h new file mode 100644 index 0000000..82fdf0f --- /dev/null +++ b/libs/watt32/netinet/in.h @@ -0,0 +1,440 @@ +/*!\file netinet/in.h + * IP address, options and definitions. + */ + +/* + * Copyright (c) 1982, 1986, 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)in.h 8.3 (Berkeley) 1/3/94 + * $Id: in.h,v 1.22.2.1 1996/11/11 23:40:37 phk Exp $ + */ + +#ifndef __NETINET_IN_H +#define __NETINET_IN_H + +#ifndef __SYS_SOCKET_H +#include +#endif + +/* + * Constants and structures defined by the internet system, + * Per RFC 790, September 1981, and numerous additions. + */ + +/* + * Protocols + */ +#define IPPROTO_IP 0 /* dummy for IP */ +#define IPPROTO_ICMP 1 /* control message protocol */ +#define IPPROTO_IGMP 2 /* group mgmt protocol */ +#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ +#define IPPROTO_IPIP 4 /* IP encapsulation in IP */ +#define IPPROTO_TCP 6 /* tcp */ +#define IPPROTO_EGP 8 /* exterior gateway protocol */ +#define IPPROTO_IGRP 9 /* interior gw routing protocol */ +#define IPPROTO_PUP 12 /* pup */ +#define IPPROTO_UDP 17 /* user datagram protocol */ +#define IPPROTO_IDP 22 /* xns idp */ +#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ +#define IPPROTO_XTP 36 /* eXpress Transfer Protocol */ +#define IPPROTO_RSVP 46 /* resource reservation */ +#define IPPROTO_ESP 50 +#define IPPROTO_AH 51 /* authenticate header */ +#define IPPROTO_ICMPV6 58 /* ICMP v6 */ +#define IPPROTO_NONE 59 +#define IPPROTO_EON 80 /* ISO cnlp */ +#define IPPROTO_ENCAP 98 /* encapsulation header */ +#define IPPROTO_PIM 103 +#define IPPROTO_VRRP 112 +#define IPPROTO_SCTP 132 + +#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ +#define IPPROTO_RAW 255 /* raw IP packet */ +#define IPPROTO_MAX 256 + + +/* + * Local port number conventions: + * + * When a user does a bind(2) or connect(2) with a port number of zero, + * a non-conflicting local port address is chosen. + * The default range is IPPORT_RESERVED through + * IPPORT_USERRESERVED, although that is settable by sysctl. + * + * A user may set the IPPROTO_IP option IP_PORTRANGE to change this + * default assignment range. + * + * The value IP_PORTRANGE_DEFAULT causes the default behavior. + * + * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers + * into the "high" range. These are reserved for client outbound connections + * which do not want to be filtered by any firewalls. + * + * The value IP_PORTRANGE_LOW changes the range to the "low" are + * that is (by convention) restricted to privileged processes. This + * convention is based on "vouchsafe" principles only. It is only secure + * if you trust the remote host to restrict these ports. + * + * The default range of ports and the high range can be changed by + * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) + * + * Changing those values has bad security implications if you are + * using a a stateless firewall that is allowing packets outside of that + * range in order to allow transparent outgoing connections. + * + * Such a firewall configuration will generally depend on the use of these + * default values. If you change them, you may find your Security + * Administrator looking for you with a heavy object. + */ + +/* + * Ports < IPPORT_RESERVED are reserved for + * privileged processes (e.g. root). (IP_PORTRANGE_LOW) + * Ports > IPPORT_USERRESERVED are reserved + * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) + */ +#define IPPORT_RESERVED 1024 +#define IPPORT_USERRESERVED 5000 + +/* + * Default local port range to use by setting IP_PORTRANGE_HIGH + */ +#define IPPORT_HIFIRSTAUTO 40000 +#define IPPORT_HILASTAUTO 44999 + +/* + * Scanning for a free reserved port return a value below IPPORT_RESERVED, + * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was + * 512, but that conflicts with some well-known-services that firewalls may + * have a fit if we use. + */ +#define IPPORT_RESERVEDSTART 600 + + +/* + * Internet address (a structure for historical reasons) + */ +struct in_addr { + u_long s_addr; + }; +/* + * For IPv6 from RFC2133 + */ +struct in6_addr { + u_int8_t s6_addr[16]; + }; + +/* + * Definitions of bits in internet address integers. + * On subnets, the decomposition of addresses to host and net parts + * is done according to subnet mask, not the masks here. + */ +#define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSA_NSHIFT 24 +#define IN_CLASSA_HOST 0x00ffffff +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(i) (((long)(i) & 0xC0000000) == 0x80000000) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSB_NSHIFT 16 +#define IN_CLASSB_HOST 0x0000ffff +#define IN_CLASSB_MAX 65536 + +#define IN_CLASSC(i) (((long)(i) & 0xE0000000) == 0xC0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST 0x000000ff + +#define IN_CLASSD(i) (((long)(i) & 0xF0000000) == 0xE0000000) +#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ +#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ +#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ +#define IN_MULTICAST(i) IN_CLASSD(i) + +#define IN_EXPERIMENTAL(i) (((long)(i) & 0xF0000000) == 0xF0000000) +#define IN_BADCLASS(i) (((long)(i) & 0xF0000000) == 0xF0000000) + +#define INADDR_ANY (u_long)0x00000000 +#define INADDR_BROADCAST (u_long)0xFFFFFFFF /* must be masked */ +#define INADDR_LOOPBACK (u_long)0x7F000001 /* 127.0.0.1 */ +#define INADDR_NONE 0xFFFFFFFF /* -1 return */ + +#define INADDR_UNSPEC_GROUP (u_long)0xE0000000 /* 224.0.0.0 */ +#define INADDR_ALLHOSTS_GROUP (u_long)0xE0000001 /* 224.0.0.1 */ +#define INADDR_ALLRTRS_GROUP (u_long)0xE0000002 /* 224.0.0.2 */ +#define INADDR_MAX_LOCAL_GROUP (u_long)0xE00000FF /* 224.0.0.255 */ + +#define IN_LOOPBACKNET 127 /* official! */ + +W32_DATA const struct in6_addr in6addr_any; /* :: */ +W32_DATA const struct in6_addr in6addr_loopback; /* ::1 */ + +#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } +#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } + +#define INET_ADDRSTRLEN 16 +#define INET6_ADDRSTRLEN 46 + + +/* + * Socket address, internet style. + */ +struct sockaddr_in { + u_short sin_family; + u_short sin_port; + struct in_addr sin_addr; + char sin_zero[8]; + }; + +struct sockaddr_in6 { + u_int16_t sin6_family; + u_int16_t sin6_port; + u_int32_t sin6_flowinfo; + struct in6_addr sin6_addr; + u_int32_t sin6_scope_id; /* IPv6 scope-id */ + }; + +/* + * Stolen from winsock2.h (hope this is portable) + * Portable IPv6/IPv4 version of sockaddr. + * Uses padding to force 8 byte alignment + * and maximum size of 128 bytes + */ +struct sockaddr_storage { + u_short ss_family; + u_short ss_len; /* !! added for BSD progs, gv Nov-2003 */ + char __ss_pad1[6]; /* pad to 8 */ + long __ss_align1, __ssalign2; /* force alignment */ + char __ss_pad2[110]; /* pad to 128 */ + }; + + +/* IPv6 multicast request. */ +struct ipv6_mreq { + /* IPv6 multicast address of group */ + struct in6_addr ipv6mr_multiaddr; + + /* local interface */ + unsigned long ipv6mr_interface; + }; + +/* + * Structure used to describe IP options. + * Used to store options internally, to pass them to a process, + * or to restore options retrieved earlier. + * The ip_dst is used for the first-hop gateway when using a source route + * (this gets put into the header proper). + */ +struct ip_opts { + struct in_addr ip_dst; /* first hop, 0 w/o src rt */ + char IP_opts[40]; /* actually variable in size */ + }; + +/* + * Options for use with [gs]etsockopt at the IP level. + * First word of comment is data type; bool is stored in int. + */ +#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ +#define IP_HDRINCL 2 /* int; header is included with data */ +#define IP_TOS 3 /* int; IP type of service and preced. */ +#define IP_TTL 4 /* int; IP time to live */ +#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ +#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ +#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ +#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ +#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ +#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ +#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ +#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ +#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ +#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ +#define IP_RSVP_ON 15 /* enable RSVP in kernel */ +#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ +#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ +#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ +#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ +#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ + +#define IP_FW_ADD 50 /* add a firewall rule to chain */ +#define IP_FW_DEL 51 /* delete a firewall rule from chain */ +#define IP_FW_FLUSH 52 /* flush firewall rule chain */ +#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ +#define IP_FW_GET 54 /* get entire firewall rule chain */ +#define IP_NAT 55 /* set/get NAT opts */ + +/* + * Defaults and limits for options + */ +#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ +#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ +#define IP_MAX_MEMBERSHIPS 20 /* per socket */ + +/* + * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. + */ +struct ip_mreq { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_interface; /* local IP address of interface */ +}; + +/* + * Argument for IP_PORTRANGE: + * - which range to search when port is unspecified at bind() or connect() + */ +#define IP_PORTRANGE_DEFAULT 0 /* default range */ +#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ +#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ + +/* + * Definitions for inet sysctl operations. + * + * Third level is protocol number. + * Fourth level is desired variable within that protocol. + */ +#define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */ + +#define CTL_IPPROTO_NAMES { \ + { "ip", CTLTYPE_NODE }, \ + { "icmp", CTLTYPE_NODE }, \ + { "igmp", CTLTYPE_NODE }, \ + { "ggp", CTLTYPE_NODE }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { "tcp", CTLTYPE_NODE }, \ + { 0, 0 }, \ + { "egp", CTLTYPE_NODE }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { "pup", CTLTYPE_NODE }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { "udp", CTLTYPE_NODE }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { "idp", 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 */ +#define IPCTL_DEFMTU 4 /* default MTU */ +#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_MAXID 12 + +#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 }, \ +} + + +/* + * IPv6 address macros + */ +#define IN6_IS_ADDR_UNSPECIFIED(a) \ + (((u_int32_t*)(a))[0] == 0 \ + && ((u_int32_t*)(a))[1] == 0 \ + && ((u_int32_t*)(a))[2] == 0 \ + && ((u_int32_t*)(a))[3] == 0) + +#define IN6_IS_ADDR_LOOPBACK(a) \ + (((u_int32_t*)(a))[0] == 0 \ + && ((u_int32_t*)(a))[1] == 0 \ + && ((u_int32_t*)(a))[2] == 0 \ + && ((u_int32_t*)(a))[3] == htonl (1)) + +#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t*) (a))[0] == 0xff) + +#define IN6_IS_ADDR_LINKLOCAL(a) \ + ((((u_int32_t*)(a))[0] & htonl(0xffc00000)) == htonl(0xfe800000)) + +#define IN6_IS_ADDR_SITELOCAL(a) \ + ((((u_int32_t*)(a))[0] & htonl(0xffc00000)) == htonl(0xfec00000)) + +#define IN6_IS_ADDR_V4MAPPED(a) \ + ((((u_int32_t*)(a))[0] == 0) \ + && (((u_int32_t*)(a))[1] == 0) \ + && (((u_int32_t*)(a))[2] == htonl(0xffff))) + +#define IN6_IS_ADDR_V4COMPAT(a) \ + ((((u_int32_t*)(a))[0] == 0) \ + && (((u_int32_t*)(a))[1] == 0) \ + && (((u_int32_t*)(a))[2] == 0) \ + && (ntohl(((u_int32_t*)(a))[3]) > 1)) + +#define IN6_ARE_ADDR_EQUAL(a,b) \ + ((((u_int32_t*)(a))[0] == ((u_int32_t*)(b))[0]) \ + && (((u_int32_t*)(a))[1] == ((u_int32_t*)(b))[1]) \ + && (((u_int32_t*)(a))[2] == ((u_int32_t*)(b))[2]) \ + && (((u_int32_t*)(a))[3] == ((u_int32_t*)(b))[3])) + +#define IN6_IS_ADDR_MC_NODELOCAL(a) \ + (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t*)(a))[1] & 0xf) == 0x1)) + +#define IN6_IS_ADDR_MC_LINKLOCAL(a) \ + (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t*)(a))[1] & 0xf) == 0x2)) + +#define IN6_IS_ADDR_MC_SITELOCAL(a) \ + (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t*)(a))[1] & 0xf) == 0x5)) + +#define IN6_IS_ADDR_MC_ORGLOCAL(a) \ + (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t*)(a))[1] & 0xf) == 0x8)) + +#define IN6_IS_ADDR_MC_GLOBAL(a) \ + (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t*)(a))[1] & 0xf) == 0xe)) + +#endif /* __NETINET_IN_H */ +