X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..a991bd8d3e7fe02dbca0644054bab73c5b75324a:/bsd/netinet/in.h diff --git a/bsd/netinet/in.h b/bsd/netinet/in.h index ea972817c..dc391afe5 100644 --- a/bsd/netinet/in.h +++ b/bsd/netinet/in.h @@ -1,15 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2018 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, @@ -17,8 +22,8 @@ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * 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 @@ -58,25 +63,31 @@ #ifndef _NETINET_IN_H_ #define _NETINET_IN_H_ + +#ifndef DRIVERKIT #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 +#else +#include +#include +#endif /* DRIVERKIT */ + +#include +#include +#ifndef DRIVERKIT /* * POSIX 1003.1-2003 * "Inclusion of the header may also make visible all * symbols from and ". */ #include +#endif /* DRIVERKIT */ /* * The following two #includes insure htonl and family are defined @@ -92,131 +103,135 @@ typedef __uint16_t in_port_t; /* * Protocols (RFC 1700) */ -#define IPPROTO_IP 0 /* dummy for IP */ -#ifndef _POSIX_C_SOURCE -#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ -#endif /* !_POSIX_C_SOURCE */ -#define IPPROTO_ICMP 1 /* control message protocol */ -#ifndef _POSIX_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 */ -#define IPPROTO_TCP 6 /* tcp */ -#ifndef _POSIX_C_SOURCE -#define IPPROTO_ST 7 /* Stream protocol II */ -#define IPPROTO_EGP 8 /* exterior gateway protocol */ -#define IPPROTO_PIGP 9 /* private interior gateway */ -#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ -#define IPPROTO_NVPII 11 /* network voice protocol*/ -#define IPPROTO_PUP 12 /* pup */ -#define IPPROTO_ARGUS 13 /* Argus */ -#define IPPROTO_EMCON 14 /* EMCON */ -#define IPPROTO_XNET 15 /* Cross Net Debugger */ -#define IPPROTO_CHAOS 16 /* Chaos*/ -#endif /* !_POSIX_C_SOURCE */ -#define IPPROTO_UDP 17 /* user datagram protocol */ -#ifndef _POSIX_C_SOURCE -#define IPPROTO_MUX 18 /* Multiplexing */ -#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ -#define IPPROTO_HMP 20 /* Host Monitoring */ -#define IPPROTO_PRM 21 /* Packet Radio Measurement */ -#define IPPROTO_IDP 22 /* xns idp */ -#define IPPROTO_TRUNK1 23 /* Trunk-1 */ -#define IPPROTO_TRUNK2 24 /* Trunk-2 */ -#define IPPROTO_LEAF1 25 /* Leaf-1 */ -#define IPPROTO_LEAF2 26 /* Leaf-2 */ -#define IPPROTO_RDP 27 /* Reliable Data */ -#define IPPROTO_IRTP 28 /* Reliable Transaction */ -#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ -#define IPPROTO_BLT 30 /* Bulk Data Transfer */ -#define IPPROTO_NSP 31 /* Network Services */ -#define IPPROTO_INP 32 /* Merit Internodal */ -#define IPPROTO_SEP 33 /* Sequential Exchange */ -#define IPPROTO_3PC 34 /* Third Party Connect */ -#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ -#define IPPROTO_XTP 36 /* XTP */ -#define IPPROTO_DDP 37 /* Datagram Delivery */ -#define IPPROTO_CMTP 38 /* Control Message Transport */ -#define IPPROTO_TPXX 39 /* TP++ Transport */ -#define IPPROTO_IL 40 /* IL transport protocol */ -#endif /* !_POSIX_C_SOURCE */ -#define IPPROTO_IPV6 41 /* IP6 header */ -#ifndef _POSIX_C_SOURCE -#define IPPROTO_SDRP 42 /* Source Demand Routing */ -#define IPPROTO_ROUTING 43 /* IP6 routing header */ -#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ -#define IPPROTO_IDRP 45 /* InterDomain Routing*/ -#define IPPROTO_RSVP 46 /* resource reservation */ -#define IPPROTO_GRE 47 /* General Routing Encap. */ -#define IPPROTO_MHRP 48 /* Mobile Host Routing */ -#define IPPROTO_BHA 49 /* BHA */ -#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ -#define IPPROTO_AH 51 /* IP6 Auth Header */ -#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ -#define IPPROTO_SWIPE 53 /* IP with encryption */ -#define IPPROTO_NHRP 54 /* Next Hop Resolution */ +#define IPPROTO_IP 0 /* dummy for IP */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define IPPROTO_ICMP 1 /* control message protocol */ +#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 || _DARWIN_C_SOURCE) */ +#define IPPROTO_TCP 6 /* tcp */ +#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 */ +#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ +#define IPPROTO_NVPII 11 /* network voice protocol*/ +#define IPPROTO_PUP 12 /* pup */ +#define IPPROTO_ARGUS 13 /* Argus */ +#define IPPROTO_EMCON 14 /* EMCON */ +#define IPPROTO_XNET 15 /* Cross Net Debugger */ +#define IPPROTO_CHAOS 16 /* Chaos*/ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define IPPROTO_UDP 17 /* user datagram protocol */ +#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 */ +#define IPPROTO_PRM 21 /* Packet Radio Measurement */ +#define IPPROTO_IDP 22 /* xns idp */ +#define IPPROTO_TRUNK1 23 /* Trunk-1 */ +#define IPPROTO_TRUNK2 24 /* Trunk-2 */ +#define IPPROTO_LEAF1 25 /* Leaf-1 */ +#define IPPROTO_LEAF2 26 /* Leaf-2 */ +#define IPPROTO_RDP 27 /* Reliable Data */ +#define IPPROTO_IRTP 28 /* Reliable Transaction */ +#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ +#define IPPROTO_BLT 30 /* Bulk Data Transfer */ +#define IPPROTO_NSP 31 /* Network Services */ +#define IPPROTO_INP 32 /* Merit Internodal */ +#define IPPROTO_SEP 33 /* Sequential Exchange */ +#define IPPROTO_3PC 34 /* Third Party Connect */ +#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ +#define IPPROTO_XTP 36 /* XTP */ +#define IPPROTO_DDP 37 /* Datagram Delivery */ +#define IPPROTO_CMTP 38 /* Control Message Transport */ +#define IPPROTO_TPXX 39 /* TP++ Transport */ +#define IPPROTO_IL 40 /* IL transport protocol */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define IPPROTO_IPV6 41 /* IP6 header */ +#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 */ +#define IPPROTO_IDRP 45 /* InterDomain Routing*/ +#define IPPROTO_RSVP 46 /* resource reservation */ +#define IPPROTO_GRE 47 /* General Routing Encap. */ +#define IPPROTO_MHRP 48 /* Mobile Host Routing */ +#define IPPROTO_BHA 49 /* BHA */ +#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ +#define IPPROTO_AH 51 /* IP6 Auth Header */ +#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ +#define IPPROTO_SWIPE 53 /* IP with encryption */ +#define IPPROTO_NHRP 54 /* Next Hop Resolution */ /* 55-57: Unassigned */ -#define IPPROTO_ICMPV6 58 /* ICMP6 */ -#define IPPROTO_NONE 59 /* IP6 no next header */ -#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ -#define IPPROTO_AHIP 61 /* any host internal protocol */ -#define IPPROTO_CFTP 62 /* CFTP */ -#define IPPROTO_HELLO 63 /* "hello" routing protocol */ -#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ -#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ -#define IPPROTO_RVD 66 /* Remote Virtual Disk */ -#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ -#define IPPROTO_ADFS 68 /* Any distributed FS */ -#define IPPROTO_SATMON 69 /* Satnet Monitoring */ -#define IPPROTO_VISA 70 /* VISA Protocol */ -#define IPPROTO_IPCV 71 /* Packet Core Utility */ -#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ -#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ -#define IPPROTO_WSN 74 /* Wang Span Network */ -#define IPPROTO_PVP 75 /* Packet Video Protocol */ -#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ -#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ -#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ -#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ -#define IPPROTO_EON 80 /* ISO cnlp */ -#define IPPROTO_VMTP 81 /* VMTP */ -#define IPPROTO_SVMTP 82 /* Secure VMTP */ -#define IPPROTO_VINES 83 /* Banyon VINES */ -#define IPPROTO_TTP 84 /* TTP */ -#define IPPROTO_IGP 85 /* NSFNET-IGP */ -#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ -#define IPPROTO_TCF 87 /* TCF */ -#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ -#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ -#define IPPROTO_SRPC 90 /* Strite RPC protocol */ -#define IPPROTO_LARP 91 /* Locus Address Resoloution */ -#define IPPROTO_MTP 92 /* Multicast Transport */ -#define IPPROTO_AX25 93 /* AX.25 Frames */ -#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ -#define IPPROTO_MICP 95 /* Mobile Int.ing control */ -#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ -#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ -#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_PGM 113 /* PGM */ -/* 255: Reserved */ +#define IPPROTO_ICMPV6 58 /* ICMP6 */ +#define IPPROTO_NONE 59 /* IP6 no next header */ +#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ +#define IPPROTO_AHIP 61 /* any host internal protocol */ +#define IPPROTO_CFTP 62 /* CFTP */ +#define IPPROTO_HELLO 63 /* "hello" routing protocol */ +#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ +#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ +#define IPPROTO_RVD 66 /* Remote Virtual Disk */ +#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ +#define IPPROTO_ADFS 68 /* Any distributed FS */ +#define IPPROTO_SATMON 69 /* Satnet Monitoring */ +#define IPPROTO_VISA 70 /* VISA Protocol */ +#define IPPROTO_IPCV 71 /* Packet Core Utility */ +#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ +#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ +#define IPPROTO_WSN 74 /* Wang Span Network */ +#define IPPROTO_PVP 75 /* Packet Video Protocol */ +#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ +#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ +#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ +#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ +#define IPPROTO_EON 80 /* ISO cnlp */ +#define IPPROTO_VMTP 81 /* VMTP */ +#define IPPROTO_SVMTP 82 /* Secure VMTP */ +#define IPPROTO_VINES 83 /* Banyon VINES */ +#define IPPROTO_TTP 84 /* TTP */ +#define IPPROTO_IGP 85 /* NSFNET-IGP */ +#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ +#define IPPROTO_TCF 87 /* TCF */ +#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ +#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ +#define IPPROTO_SRPC 90 /* Strite RPC protocol */ +#define IPPROTO_LARP 91 /* Locus Address Resoloution */ +#define IPPROTO_MTP 92 /* Multicast Transport */ +#define IPPROTO_AX25 93 /* AX.25 Frames */ +#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ +#define IPPROTO_MICP 95 /* Mobile Int.ing control */ +#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ +#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ +#define IPPROTO_ENCAP 98 /* encapsulation header */ +#define IPPROTO_APES 99 /* any private encr. scheme */ +#define IPPROTO_GMTP 100 /* GMTP*/ +/* 101-252: 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 */ +/* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */ /* BSD Private, local use, namespace incursion */ -#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ -#endif /* !_POSIX_C_SOURCE */ -#define IPPROTO_RAW 255 /* raw IP packet */ +#ifdef PRIVATE +#define IPPROTO_QUIC 253 /* QUIC protocol (Over UDP) */ +#endif /* PRIVATE */ +#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define IPPROTO_RAW 255 /* raw IP packet */ -#ifndef _POSIX_C_SOURCE -#define IPPROTO_MAX 256 +#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 */ +#define IPPROTO_DONE 257 +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ /* * Local port number conventions: @@ -263,9 +278,9 @@ typedef __uint16_t in_port_t; * */ -#define __DARWIN_IPPORT_RESERVED 1024 +#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) @@ -273,15 +288,15 @@ typedef __uint16_t in_port_t; * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) */ #ifndef IPPORT_RESERVED -#define IPPORT_RESERVED __DARWIN_IPPORT_RESERVED +#define IPPORT_RESERVED __DARWIN_IPPORT_RESERVED #endif -#define IPPORT_USERRESERVED 5000 +#define IPPORT_USERRESERVED 5000 /* * Default local port range to use by setting IP_PORTRANGE_HIGH */ -#define IPPORT_HIFIRSTAUTO 49152 -#define IPPORT_HILASTAUTO 65535 +#define IPPORT_HIFIRSTAUTO 49152 +#define IPPORT_HILASTAUTO 65535 /* * Scanning for a free reserved port return a value below IPPORT_RESERVED, @@ -289,8 +304,8 @@ typedef __uint16_t in_port_t; * 512, but that conflicts with some well-known-services that firewalls may * have a fit if we use. */ -#define IPPORT_RESERVEDSTART 600 -#endif /* !_POSIX_C_SOURCE */ +#define IPPORT_RESERVEDSTART 600 +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Internet address (a structure for historical reasons) @@ -304,68 +319,125 @@ struct in_addr { * On subnets, the decomposition of addresses to host and net parts * is done according to subnet mask, not the masks here. */ -#define INADDR_ANY (u_int32_t)0x00000000 -#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ - -#ifndef _POSIX_C_SOURCE -#define IN_CLASSA(i) (((u_int32_t)(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) (((u_int32_t)(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) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) -#define IN_CLASSC_NET 0xffffff00 -#define IN_CLASSC_NSHIFT 8 -#define IN_CLASSC_HOST 0x000000ff - -#define IN_CLASSD(i) (((u_int32_t)(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) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) -#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) - -#define INADDR_LOOPBACK (u_int32_t)0x7f000001 +#define INADDR_ANY (u_int32_t)0x00000000 +#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ + +#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 +#define IN_CLASSA_HOST 0x00ffffff +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(i) (((u_int32_t)(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) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST 0x000000ff + +#define IN_CLASSD(i) (((u_int32_t)(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) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) +#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 */ +#define INADDR_NONE 0xffffffff /* -1 return */ #endif -#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_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ +#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_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)) + +#ifdef PRIVATE +#define IN_SHARED_ADDRESS_SPACE(i) ((((u_int32_t)(i)) & (u_int32_t)0xffc00000) \ + == (u_int32_t)0x64400000) + +#define IN_DS_LITE(i) ((((u_int32_t)(i)) & (u_int32_t)0xfffffff8) == (u_int32_t)0xc0000000) + +#define IN_6TO4_RELAY_ANYCAST(i) ((((u_int32_t)(i)) & (u_int32_t)IN_CLASSC_NET) == (u_int32_t)0xc0586300) #endif -#define IN_LOOPBACKNET 127 /* official! */ -#endif /* !_POSIX_C_SOURCE */ +#define IN_LOCAL_GROUP(i) (((u_int32_t)(i) & 0xffffff00) == 0xe0000000) + +#define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i)) +#endif /* __APPLE__ */ + +#define IN_LOOPBACKNET 127 /* official! */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Socket address, internet style. */ struct sockaddr_in { - __uint8_t sin_len; - sa_family_t sin_family; - in_port_t sin_port; - struct in_addr sin_addr; - char sin_zero[8]; /* XXX bwg2001-004 */ + __uint8_t sin_len; + sa_family_t sin_family; + in_port_t sin_port; + struct in_addr sin_addr; + char sin_zero[8]; +}; + +#define IN_ARE_ADDR_EQUAL(a, b) \ + (bcmp(&(a)->s_addr, &(b)->s_addr, \ + sizeof (struct in_addr)) == 0) + +#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, @@ -374,87 +446,258 @@ struct sockaddr_in { * (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 */ + 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_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 */ /* for IPSEC */ -#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ -#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ +#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ +#define IP_FAITH 22 /* deprecated */ #ifdef __APPLE__ -#define IP_STRIPHDR 23 /* bool: drop receive of raw IP header */ +#define IP_STRIPHDR 23 /* bool: drop receive of raw IP header */ #endif -#define IP_RECVTTL 24 /* bool; receive reception TTL w/dgram */ - - -#define IP_FW_ADD 40 /* add a firewall rule to chain */ -#define IP_FW_DEL 41 /* delete a firewall rule from chain */ -#define IP_FW_FLUSH 42 /* flush firewall rule chain */ -#define IP_FW_ZERO 43 /* clear single/all firewall counter(s) */ -#define IP_FW_GET 44 /* get entire firewall rule chain */ -#define IP_FW_RESETLOG 45 /* reset logging counters */ +#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_RECVTOS 27 /* bool; receive IP TOS w/dgram */ +#define IP_DONTFRAG 28 /* don't fragment packet */ + +#define IP_FW_ADD 40 /* add a firewall rule to chain */ +#define IP_FW_DEL 41 /* delete a firewall rule from chain */ +#define IP_FW_FLUSH 42 /* flush firewall rule chain */ +#define IP_FW_ZERO 43 /* clear single/all firewall counter(s) */ +#define IP_FW_GET 44 /* get entire firewall rule chain */ +#define IP_FW_RESETLOG 45 /* reset logging counters */ /* These older firewall socket option codes are maintained for backward compatibility. */ -#define IP_OLD_FW_ADD 50 /* add a firewall rule to chain */ -#define IP_OLD_FW_DEL 51 /* delete a firewall rule from chain */ -#define IP_OLD_FW_FLUSH 52 /* flush firewall rule chain */ -#define IP_OLD_FW_ZERO 53 /* clear single/all firewall counter(s) */ -#define IP_OLD_FW_GET 54 /* get entire firewall rule chain */ -#define IP_NAT__XXX 55 /* set/get NAT opts XXX Deprecated, do not use */ -#define IP_OLD_FW_RESETLOG 56 /* reset logging counters */ - -#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ -#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ -#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ -#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ +#define IP_OLD_FW_ADD 50 /* add a firewall rule to chain */ +#define IP_OLD_FW_DEL 51 /* delete a firewall rule from chain */ +#define IP_OLD_FW_FLUSH 52 /* flush firewall rule chain */ +#define IP_OLD_FW_ZERO 53 /* clear single/all firewall counter(s) */ +#define IP_OLD_FW_GET 54 /* get entire firewall rule chain */ +#define IP_NAT__XXX 55 /* set/get NAT opts XXX Deprecated, do not use */ +#define IP_OLD_FW_RESETLOG 56 /* reset logging counters */ + +#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ +#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ +#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_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 */ +#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 */ + +/* + * 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 */ +#ifndef PLATFORM_DriverKit /* * 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 */ + struct in_addr imr_multiaddr; /* IP multicast address of group */ + 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 +#endif /* PLATFORM_DriverKit */ + +/* + * 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() */ -#define IP_PORTRANGE_DEFAULT 0 /* default range */ -#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ -#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ +#define IP_PORTRANGE_DEFAULT 0 /* default range */ +#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ +#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. @@ -462,11 +705,10 @@ struct ip_mreq { * Third level is protocol number. * Fourth level is desired variable within that protocol. */ -#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ - -#ifdef KERNEL_PRIVATE +#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ -#define CTL_IPPROTO_NAMES { \ +#ifdef BSD_KERNEL_PRIVATE +#define CTL_IPPROTO_NAMES { \ { "ip", CTLTYPE_NODE }, \ { "icmp", CTLTYPE_NODE }, \ { "igmp", CTLTYPE_NODE }, \ @@ -520,35 +762,34 @@ struct ip_mreq { { 0, 0 }, \ { "ipsec", CTLTYPE_NODE }, \ } - -#endif /* KERNEL_PRIVATE */ +#endif /* BSD_KERNEL_PRIVATE */ /* * 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_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 */ +#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 - -#ifdef KERNEL_PRIVATE - -#define IPCTL_NAMES { \ +#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 /* deprecated */ +#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ +#define IPCTL_MAXID 17 + +#ifdef BSD_KERNEL_PRIVATE + +#define IPCTL_NAMES { \ { 0, 0 }, \ { "forwarding", CTLTYPE_INT }, \ { "redirect", CTLTYPE_INT }, \ @@ -558,7 +799,7 @@ struct ip_mreq { { "rtminexpire", CTLTYPE_INT }, \ { "rtmaxcache", CTLTYPE_INT }, \ { "sourceroute", CTLTYPE_INT }, \ - { "directed-broadcast", CTLTYPE_INT }, \ + { "directed-broadcast", CTLTYPE_INT }, \ { "intr-queue-maxlen", CTLTYPE_INT }, \ { "intr-queue-drops", CTLTYPE_INT }, \ { "stats", CTLTYPE_STRUCT }, \ @@ -567,33 +808,157 @@ 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; +}; +#define CLAT46_HDR_EXPANSION_OVERHD (sizeof(struct ip6_hdr) - sizeof(struct ip)) + +/* + * Recommended DiffServ Code Point values + */ + +#define _DSCP_DF 0 /* RFC 2474 */ + +#define _DSCP_CS0 0 /* RFC 2474 */ +#define _DSCP_CS1 8 /* RFC 2474 */ +#define _DSCP_CS2 16 /* RFC 2474 */ +#define _DSCP_CS3 24 /* RFC 2474 */ +#define _DSCP_CS4 32 /* RFC 2474 */ +#define _DSCP_CS5 40 /* RFC 2474 */ +#define _DSCP_CS6 48 /* RFC 2474 */ +#define _DSCP_CS7 56 /* RFC 2474 */ + +#define _DSCP_EF 46 /* RFC 2474 */ +#define _DSCP_VA 44 /* RFC 5865 */ + +#define _DSCP_AF11 10 /* RFC 2597 */ +#define _DSCP_AF12 12 /* RFC 2597 */ +#define _DSCP_AF13 14 /* RFC 2597 */ +#define _DSCP_AF21 18 /* RFC 2597 */ +#define _DSCP_AF22 20 /* RFC 2597 */ +#define _DSCP_AF23 22 /* RFC 2597 */ +#define _DSCP_AF31 26 /* RFC 2597 */ +#define _DSCP_AF32 28 /* RFC 2597 */ +#define _DSCP_AF33 30 /* RFC 2597 */ +#define _DSCP_AF41 34 /* RFC 2597 */ +#define _DSCP_AF42 36 /* RFC 2597 */ +#define _DSCP_AF43 38 /* RFC 2597 */ + +#define _DSCP_52 52 /* Wi-Fi WMM Certification: Sigma */ + +#define _MAX_DSCP 63 /* coded on 6 bits */ + +#endif /* PRIVATE */ + +#ifndef PLATFORM_DriverKit #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 uint32_t os_cpu_in_cksum_mbuf(struct mbuf *m, int len, int off, + uint32_t initial_sum); + +extern uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t); +extern uint16_t inet_cksum_buffer(const void *, 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 uint16_t ip_cksum_hdr_dir_buffer(const void *, uint32_t, 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); +#if DEBUG || DEVELOPMENT +extern uint32_t in_cksum_mbuf_ref(struct mbuf *, int, int, uint32_t); +#endif /* DEBUG || DEVELOPMENT */ + +extern int in_getconninfo(struct socket *, sae_connid_t, uint32_t *, + uint32_t *, int32_t *, user_addr_t, socklen_t *, user_addr_t, socklen_t *, + uint32_t *, user_addr_t, uint32_t *); +extern struct in_ifaddr * inifa_ifpwithflag(struct ifnet *, uint32_t); +extern struct in_ifaddr * inifa_ifpclatv4(struct ifnet *); + +#define in_cksum(_m, _l) \ + inet_cksum(_m, 0, 0, _l) +#define in_cksum_buffer(_b, _l) \ + inet_cksum_buffer(_b, 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)) + +#define IPTOS_UNSPEC (-1) /* TOS byte not set */ +#define IPTOS_MASK 0xFF /* TOS byte mask */ +#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 */ +#define MAX_IPv4_STR_LEN 16 +#define MAX_IPv6_STR_LEN 64 + +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 /* PLATFORM_DriverKit */ +#endif /* _NETINET_IN_H_ */