X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..ecc0ceb4089d506a0b8d16686a95817b331af9cb:/bsd/netinet/in.h diff --git a/bsd/netinet/in.h b/bsd/netinet/in.h index ea972817c..497a03cea 100644 --- a/bsd/netinet/in.h +++ b/bsd/netinet/in.h @@ -1,14 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2013 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -18,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1982, 1986, 1990, 1993 @@ -60,16 +65,15 @@ #define _NETINET_IN_H_ #include #include +#include /* uint(8|16|32)_t */ -#ifndef _IN_ADDR_T -#define _IN_ADDR_T -typedef __uint32_t in_addr_t; /* base type for internet address */ +#ifndef KERNEL +#include #endif -#ifndef _IN_PORT_T -#define _IN_PORT_T -typedef __uint16_t in_port_t; -#endif +#include + +#include /* * POSIX 1003.1-2003 @@ -93,18 +97,18 @@ typedef __uint16_t in_port_t; * Protocols (RFC 1700) */ #define IPPROTO_IP 0 /* dummy for IP */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define IPPROTO_ICMP 1 /* control message protocol */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_IGMP 2 /* group mgmt protocol */ #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define IPPROTO_TCP 6 /* tcp */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_ST 7 /* Stream protocol II */ #define IPPROTO_EGP 8 /* exterior gateway protocol */ #define IPPROTO_PIGP 9 /* private interior gateway */ @@ -115,9 +119,9 @@ typedef __uint16_t in_port_t; #define IPPROTO_EMCON 14 /* EMCON */ #define IPPROTO_XNET 15 /* Cross Net Debugger */ #define IPPROTO_CHAOS 16 /* Chaos*/ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define IPPROTO_UDP 17 /* user datagram protocol */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_MUX 18 /* Multiplexing */ #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ #define IPPROTO_HMP 20 /* Host Monitoring */ @@ -141,9 +145,9 @@ typedef __uint16_t in_port_t; #define IPPROTO_CMTP 38 /* Control Message Transport */ #define IPPROTO_TPXX 39 /* TP++ Transport */ #define IPPROTO_IL 40 /* IL transport protocol */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define IPPROTO_IPV6 41 /* IP6 header */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_SDRP 42 /* Source Demand Routing */ #define IPPROTO_ROUTING 43 /* IP6 routing header */ #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ @@ -201,22 +205,23 @@ typedef __uint16_t in_port_t; #define IPPROTO_ENCAP 98 /* encapsulation header */ #define IPPROTO_APES 99 /* any private encr. scheme */ #define IPPROTO_GMTP 100 /* GMTP*/ -#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ /* 101-254: Partly Unassigned */ #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ +#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ #define IPPROTO_PGM 113 /* PGM */ +#define IPPROTO_SCTP 132 /* SCTP */ /* 255: Reserved */ /* BSD Private, local use, namespace incursion */ #define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define IPPROTO_RAW 255 /* raw IP packet */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IPPROTO_MAX 256 /* last return value of *_input(), meaning "all job for this pkt is done". */ #define IPPROTO_DONE 257 -#endif /* _POSIX_C_SOURCE */ +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ /* * Local port number conventions: @@ -265,7 +270,7 @@ typedef __uint16_t in_port_t; #define __DARWIN_IPPORT_RESERVED 1024 -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * Ports < IPPORT_RESERVED are reserved for * privileged processes (e.g. root). (IP_PORTRANGE_LOW) @@ -290,7 +295,7 @@ typedef __uint16_t in_port_t; * have a fit if we use. */ #define IPPORT_RESERVEDSTART 600 -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Internet address (a structure for historical reasons) @@ -307,7 +312,7 @@ struct in_addr { #define INADDR_ANY (u_int32_t)0x00000000 #define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) #define IN_CLASSA_NET 0xff000000 #define IN_CLASSA_NSHIFT 24 @@ -335,6 +340,7 @@ struct in_addr { #define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) #define INADDR_LOOPBACK (u_int32_t)0x7f000001 + #ifndef KERNEL #define INADDR_NONE 0xffffffff /* -1 return */ #endif @@ -342,15 +348,29 @@ struct in_addr { #define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ #define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ #define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ +#define INADDR_ALLRPTS_GROUP (u_int32_t)0xe0000016 /* 224.0.0.22, IGMPv3 */ +#define INADDR_CARP_GROUP (u_int32_t)0xe0000012 /* 224.0.0.18 */ +#define INADDR_PFSYNC_GROUP (u_int32_t)0xe00000f0 /* 224.0.0.240 */ +#define INADDR_ALLMDNS_GROUP (u_int32_t)0xe00000fb /* 224.0.0.251 */ #define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ #ifdef __APPLE__ #define IN_LINKLOCALNETNUM (u_int32_t)0xA9FE0000 /* 169.254.0.0 */ #define IN_LINKLOCAL(i) (((u_int32_t)(i) & IN_CLASSB_NET) == IN_LINKLOCALNETNUM) +#define IN_LOOPBACK(i) (((u_int32_t)(i) & 0xff000000) == 0x7f000000) +#define IN_ZERONET(i) (((u_int32_t)(i) & 0xff000000) == 0) + +#define IN_PRIVATE(i) ((((u_int32_t)(i) & 0xff000000) == 0x0a000000) || \ + (((u_int32_t)(i) & 0xfff00000) == 0xac100000) || \ + (((u_int32_t)(i) & 0xffff0000) == 0xc0a80000)) + +#define IN_LOCAL_GROUP(i) (((u_int32_t)(i) & 0xffffff00) == 0xe0000000) + +#define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i)) #endif #define IN_LOOPBACKNET 127 /* official! */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Socket address, internet style. @@ -360,12 +380,41 @@ struct sockaddr_in { sa_family_t sin_family; in_port_t sin_port; struct in_addr sin_addr; - char sin_zero[8]; /* XXX bwg2001-004 */ + char sin_zero[8]; +}; + +#ifdef PRIVATE +/* + * sockaddr_in with scope ID field; this is used internally to keep + * track of scoped route entries in the routing table. The fact that + * such a value is embedded in the structure is an artifact of the + * current implementation which could change in future. + */ +struct sockaddr_inifscope { + __uint8_t sin_len; + sa_family_t sin_family; + in_port_t sin_port; + struct in_addr sin_addr; + /* + * To avoid possible conflict with an overlaid sockaddr_inarp + * having sin_other set to SIN_PROXY, we use the first 4-bytes + * of sin_zero since sin_srcaddr is one of the unused fields + * in sockaddr_inarp. + */ + union { + char sin_zero[8]; + struct { + __uint32_t ifscope; + } _in_index; + } un; +#define sin_scope_id un._in_index.ifscope }; +#endif /* PRIVATE */ + #define INET_ADDRSTRLEN 16 -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * Structure used to describe IP options. * Used to store options internally, to pass them to a process, @@ -404,11 +453,14 @@ struct ip_opts { #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ /* for IPSEC */ #define IP_IPSEC_POLICY 21 /* int; set/get security policy */ -#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ +#define IP_FAITH 22 /* deprecated */ #ifdef __APPLE__ #define IP_STRIPHDR 23 /* bool: drop receive of raw IP header */ #endif -#define IP_RECVTTL 24 /* bool; receive reception TTL w/dgram */ +#define IP_RECVTTL 24 /* bool; receive reception TTL w/dgram */ +#define IP_BOUND_IF 25 /* int; set/get bound interface */ +#define IP_PKTINFO 26 /* get pktinfo on recv socket, set src on sent dgram */ +#define IP_RECVPKTINFO IP_PKTINFO /* receive pktinfo w/dgram */ #define IP_FW_ADD 40 /* add a firewall rule to chain */ @@ -432,12 +484,54 @@ struct ip_opts { #define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ #define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ +#define IP_TRAFFIC_MGT_BACKGROUND 65 /* int*; get background IO flags; set background IO */ +#define IP_MULTICAST_IFINDEX 66 /* int*; set/get IP multicast i/f index */ + +/* IPv4 Source Filter Multicast API [RFC3678] */ +#define IP_ADD_SOURCE_MEMBERSHIP 70 /* join a source-specific group */ +#define IP_DROP_SOURCE_MEMBERSHIP 71 /* drop a single source */ +#define IP_BLOCK_SOURCE 72 /* block a source */ +#define IP_UNBLOCK_SOURCE 73 /* unblock a source */ + +/* The following option is private; do not use it from user applications. */ +#define IP_MSFILTER 74 /* set/get filter list */ + +/* Protocol Independent Multicast API [RFC3678] */ +#define MCAST_JOIN_GROUP 80 /* join an any-source group */ +#define MCAST_LEAVE_GROUP 81 /* leave all sources for group */ +#define MCAST_JOIN_SOURCE_GROUP 82 /* join a source-specific group */ +#define MCAST_LEAVE_SOURCE_GROUP 83 /* leave a single source */ +#define MCAST_BLOCK_SOURCE 84 /* block a source */ +#define MCAST_UNBLOCK_SOURCE 85 /* unblock a source */ + +#ifdef PRIVATE +#define IP_FORCE_OUT_IFP 69 /* deprecated; use IP_BOUND_IF instead */ +#define IP_NO_IFT_CELLULAR 6969 /* for internal use only */ +#define IP_NO_IFT_PDP IP_NO_IFT_CELLULAR /* deprecated */ +#define IP_OUT_IF 9696 /* for internal use only */ +#endif /* PRIVATE */ + /* * 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 */ + +/* + * The imo_membership vector for each socket is now dynamically allocated at + * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized + * according to a power-of-two increment. + */ +#define IP_MIN_MEMBERSHIPS 31 +#define IP_MAX_MEMBERSHIPS 4095 + +/* + * Default resource limits for IPv4 multicast source filtering. + * These may be modified by sysctl. + */ +#define IP_MAX_GROUP_SRC_FILTER 512 /* sources per group */ +#define IP_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ +#define IP_MAX_SOCK_MUTE_FILTER 128 /* XXX no longer used */ /* * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. @@ -447,6 +541,105 @@ struct ip_mreq { struct in_addr imr_interface; /* local IP address of interface */ }; +/* + * Modified argument structure for IP_MULTICAST_IF, obtained from Linux. + * This is used to specify an interface index for multicast sends, as + * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available). + */ +struct ip_mreqn { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_address; /* local IP address of interface */ + int imr_ifindex; /* Interface index; cast to uint32_t */ +}; + +#pragma pack(4) +/* + * Argument structure for IPv4 Multicast Source Filter APIs. [RFC3678] + */ +struct ip_mreq_source { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_sourceaddr; /* IP address of source */ + struct in_addr imr_interface; /* local IP address of interface */ +}; + +/* + * Argument structures for Protocol-Independent Multicast Source + * Filter APIs. [RFC3678] + */ +struct group_req { + uint32_t gr_interface; /* interface index */ + struct sockaddr_storage gr_group; /* group address */ +}; + +struct group_source_req { + uint32_t gsr_interface; /* interface index */ + struct sockaddr_storage gsr_group; /* group address */ + struct sockaddr_storage gsr_source; /* source address */ +}; + +#ifndef __MSFILTERREQ_DEFINED +#define __MSFILTERREQ_DEFINED +/* + * The following structure is private; do not use it from user applications. + * It is used to communicate IP_MSFILTER/IPV6_MSFILTER information between + * the RFC 3678 libc functions and the kernel. + */ +struct __msfilterreq { + uint32_t msfr_ifindex; /* interface index */ + uint32_t msfr_fmode; /* filter mode for group */ + uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ + uint32_t __msfr_align; + struct sockaddr_storage msfr_group; /* group address */ + struct sockaddr_storage *msfr_srcs; +}; + +#ifdef BSD_KERNEL_PRIVATE +struct __msfilterreq32 { + uint32_t msfr_ifindex; /* interface index */ + uint32_t msfr_fmode; /* filter mode for group */ + uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ + uint32_t __msfr_align; + struct sockaddr_storage msfr_group; /* group address */ + user32_addr_t msfr_srcs; +}; + +struct __msfilterreq64 { + uint32_t msfr_ifindex; /* interface index */ + uint32_t msfr_fmode; /* filter mode for group */ + uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ + uint32_t __msfr_align; + struct sockaddr_storage msfr_group; /* group address */ + user64_addr_t msfr_srcs; +}; +#endif /* BSD_KERNEL_PRIVATE */ +#endif /* __MSFILTERREQ_DEFINED */ + +#pragma pack() +struct sockaddr; + +#ifndef KERNEL +/* + * Advanced (Full-state) APIs [RFC3678] + * The RFC specifies uint_t for the 6th argument to [sg]etsourcefilter(). + * We use uint32_t here to be consistent. + */ +int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, + uint32_t, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); +int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, + uint32_t *, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); +int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, + uint32_t, uint32_t, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); +int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, + uint32_t *, uint32_t *, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); +#endif + +/* + * Filter modes; also used to represent per-socket filter mode internally. + */ +#define MCAST_UNDEFINED 0 /* fmode: not yet defined */ +#define MCAST_INCLUDE 1 /* fmode: include these source(s) */ +#define MCAST_EXCLUDE 2 /* fmode: exclude these source(s) */ + /* * Argument for IP_PORTRANGE: * - which range to search when port is unspecified at bind() or connect() @@ -456,6 +649,31 @@ struct ip_mreq { #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ +/* + * IP_PKTINFO: Packet information (equivalent to RFC2292 sec 5 for IPv4) + * This structure is used for + * + * 1) Receiving ancilliary data about the datagram if IP_PKTINFO sockopt is + * set on the socket. In this case ipi_ifindex will contain the interface + * index the datagram was received on, ipi_addr is the IP address the + * datagram was received to. + * + * 2) Sending a datagram using a specific interface or IP source address. + * if ipi_ifindex is set to non-zero when in_pktinfo is passed as + * ancilliary data of type IP_PKTINFO, this will be used as the source + * interface to send the datagram from. If ipi_ifindex is null, ip_spec_dst + * will be used for the source address. + * + * Note: if IP_BOUND_IF is set on the socket, ipi_ifindex in the ancillary + * IP_PKTINFO option silently overrides the bound interface when it is + * specified during send time. + */ +struct in_pktinfo { + unsigned int ipi_ifindex; /* send/recv interface index */ + struct in_addr ipi_spec_dst; /* Local address */ + struct in_addr ipi_addr; /* IP Header dst address */ +}; + /* * Definitions for inet sysctl operations. * @@ -464,8 +682,7 @@ struct ip_mreq { */ #define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ -#ifdef KERNEL_PRIVATE - +#ifdef BSD_KERNEL_PRIVATE #define CTL_IPPROTO_NAMES { \ { "ip", CTLTYPE_NODE }, \ { "icmp", CTLTYPE_NODE }, \ @@ -520,8 +737,7 @@ struct ip_mreq { { 0, 0 }, \ { "ipsec", CTLTYPE_NODE }, \ } - -#endif /* KERNEL_PRIVATE */ +#endif /* BSD_KERNEL_PRIVATE */ /* * Names for IP sysctl objects @@ -542,11 +758,11 @@ struct ip_mreq { #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_KEEPFAITH 15 /* deprecated */ #define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ #define IPCTL_MAXID 17 -#ifdef KERNEL_PRIVATE +#ifdef BSD_KERNEL_PRIVATE #define IPCTL_NAMES { \ { 0, 0 }, \ @@ -567,33 +783,99 @@ struct ip_mreq { { "keepfaith", CTLTYPE_INT }, \ { "gifttl", CTLTYPE_INT }, \ } -#endif /* KERNEL_PRIVATE */ - -#endif /* !_POSIX_C_SOURCE */ - +#endif /* BSD_KERNEL_PRIVATE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* INET6 stuff */ #define __KAME_NETINET_IN_H_INCLUDED_ #include #undef __KAME_NETINET_IN_H_INCLUDED_ +#ifdef PRIVATE +/* + * Minimal sized structure to hold an IPv4 or IPv6 socket address + * as sockaddr_storage can waste memory + */ +union sockaddr_in_4_6 { + struct sockaddr sa; + struct sockaddr_in sin; + struct sockaddr_in6 sin6; +}; +#endif /* PRIVATE */ + #ifdef KERNEL +#ifdef BSD_KERNEL_PRIVATE +#include + +struct ip; +struct ifnet; +struct mbuf; + +extern boolean_t in_broadcast(struct in_addr, struct ifnet *); +extern boolean_t in_canforward(struct in_addr); +extern u_int32_t in_netof(struct in_addr); + +extern uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t); +extern uint16_t in_addword(uint16_t, uint16_t); +extern uint16_t in_pseudo(uint32_t, uint32_t, uint32_t); +extern uint16_t in_pseudo64(uint64_t, uint64_t, uint64_t); +extern uint16_t in_cksum_hdr_opt(const struct ip *); +extern uint16_t ip_cksum_hdr_dir(struct mbuf *, uint32_t, int); +extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t); +extern uint16_t b_sum16(const void *buf, int len); + +#define in_cksum(_m, _l) \ + inet_cksum(_m, 0, 0, _l) +#define ip_cksum_hdr_in(_m, _l) \ + ip_cksum_hdr_dir(_m, _l, 0) +#define ip_cksum_hdr_out(_m, _l) \ + ip_cksum_hdr_dir(_m, _l, 1) + +#define in_cksum_hdr(_ip) \ + (~b_sum16(_ip, sizeof (struct ip)) & 0xffff) + +#define in_cksum_offset(_m, _o) \ + ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP)) +#define in_delayed_cksum(_m) \ + ((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA)) +#define in_delayed_cksum_offset(_m, _o) \ + ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_DATA)) + +#define in_hosteq(s, t) ((s).s_addr == (t).s_addr) +#define in_nullhost(x) ((x).s_addr == INADDR_ANY) +#define in_allhosts(x) ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP)) + +#define SIN(s) ((struct sockaddr_in *)(void *)s) +#define satosin(sa) SIN(sa) +#define sintosa(sin) ((struct sockaddr *)(void *)(sin)) +#define SINIFSCOPE(s) ((struct sockaddr_inifscope *)(void *)(s)) +#endif /* BSD_KERNEL_PRIVATE */ + #ifdef KERNEL_PRIVATE -struct ifnet; struct mbuf; /* forward declarations for Standard C */ - -int in_broadcast(struct in_addr, struct ifnet *); -int in_canforward(struct in_addr); -int in_cksum(struct mbuf *, int); -int in_cksum_skip(struct mbuf *, u_short, u_short); -u_short in_addword(u_short, u_short); -u_short in_pseudo(u_int, u_int, u_int); -int in_localaddr(struct in_addr); -u_long in_netof(struct in_addr); +/* exported for ApplicationFirewall */ +extern int in_localaddr(struct in_addr); +extern int inaddr_local(struct in_addr); + +extern char *inet_ntoa(struct in_addr); +extern char *inet_ntoa_r(struct in_addr ina, char *buf, + size_t buflen); +extern int inet_pton(int af, const char *, void *); #endif /* KERNEL_PRIVATE */ + #define MAX_IPv4_STR_LEN 16 #define MAX_IPv6_STR_LEN 64 -const char *inet_ntop(int, const void *, char *, size_t); /* in libkern */ +extern int inet_aton(const char *, struct in_addr *); /* in libkern */ +extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern*/ #endif /* KERNEL */ -#endif _NETINET_IN_H_ +#ifndef KERNEL +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +__BEGIN_DECLS +int bindresvport(int, struct sockaddr_in *); +struct sockaddr; +int bindresvport_sa(int, struct sockaddr *); +__END_DECLS +#endif +#endif /* !KERNEL */ +#endif /* _NETINET_IN_H_ */