/* * Copyright (c) 2000-2018 Apple Inc. All rights reserved. * * @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. 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* * 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 * $FreeBSD: src/sys/netinet/in.h,v 1.48.2.2 2001/04/21 14:53:06 ume Exp $ */ #ifndef _NETINET_IN_PRIVATE_H_ #define _NETINET_IN_PRIVATE_H_ #include #include #include #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */ /* BSD Private, local use, namespace incursion */ #define IPPROTO_QUIC 253 /* QUIC protocol (Over UDP) */ #ifdef __APPLE__ #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 /* __APPLE__ */ #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * 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 }; #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * Options for use with [gs]etsockopt at the IP level. * First word of comment is data type; bool is stored in int. */ #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 */ #ifdef BSD_KERNEL_PRIVATE #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 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { 0, 0 }, \ { "ipsec", CTLTYPE_NODE }, \ } #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 }, \ { "stats", CTLTYPE_STRUCT }, \ { "accept_sourceroute", CTLTYPE_INT }, \ { "fastforwarding", CTLTYPE_INT }, \ { "keepfaith", CTLTYPE_INT }, \ { "gifttl", CTLTYPE_INT }, \ } #endif /* BSD_KERNEL_PRIVATE */ #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* INET6 stuff */ #define __KAME_NETINET_IN_PRIVATE_H_INCLUDED_ #include #undef __KAME_NETINET_IN_PRIVATE_H_INCLUDED_ /* * 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_header sah; 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 */ #ifndef XNU_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 *__sized_by(__len), uint32_t, uint32_t, uint32_t __len); 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 *__sized_by(__len), uint32_t, uint32_t __len, int); extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t); extern uint16_t b_sum16(const void *__sized_by(len)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 /* 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 */ #endif /* KERNEL */ #endif /* XNU_PLATFORM_DriverKit */ #endif /* _NETINET_IN_PRIVATE_H_ */