429 lines
12 KiB
C
429 lines
12 KiB
C
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#ifndef _NETINET_IN_H
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#define _NETINET_IN_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <endian.h>
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__BEGIN_DECLS
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/* Standard well-defined IP protocols. */
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enum {
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IPPROTO_IP = 0, /* Dummy protocol for TCP */
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#define IPPROTO_IP IPPROTO_IP
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IPPROTO_ICMP = 1, /* Internet Control Message Protocol */
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#define IPPROTO_ICMP IPPROTO_ICMP
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IPPROTO_IGMP = 2, /* Internet Group Management Protocol */
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#define IPPROTO_IGMP IPPROTO_IGMP
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IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */
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#define IPPROTO_IPIP IPPROTO_IPIP
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IPPROTO_TCP = 6, /* Transmission Control Protocol */
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#define IPPROTO_TCP IPPROTO_TCP
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IPPROTO_EGP = 8, /* Exterior Gateway Protocol */
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#define IPPROTO_EGP IPPROTO_EGP
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IPPROTO_PUP = 12, /* PUP protocol */
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#define IPPROTO_PUP IPPROTO_PUP
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IPPROTO_UDP = 17, /* User Datagram Protocol */
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#define IPPROTO_UDP IPPROTO_UDP
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IPPROTO_IDP = 22, /* XNS IDP protocol */
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#define IPPROTO_IDP IPPROTO_IDP
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IPPROTO_RSVP = 46, /* RSVP protocol */
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#define IPPROTO_RSVP IPPROTO_RSVP
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IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */
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#define IPPROTO_GRE IPPROTO_GRE
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IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */
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#define IPPROTO_IPV6 IPPROTO_IPV6
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IPPROTO_PIM = 103, /* Protocol Independent Multicast */
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#define IPPROTO_PIM IPPROTO_PIM
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IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */
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#define IPPROTO_ESP IPPROTO_ESP
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IPPROTO_AH = 51, /* Authentication Header protocol */
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#define IPPROTO_AH IPPROTO_AH
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IPPROTO_COMP = 108, /* Compression Header protocol */
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#define IPPROTO_COMP IPPROTO_COMP
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IPPROTO_RAW = 255, /* Raw IP packets */
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#define IPPROTO_RAW IPPROTO_RAW
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IPPROTO_MAX
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};
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#define IP_TOS 1
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#define IP_TTL 2
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#define IP_HDRINCL 3
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#define IP_OPTIONS 4
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#define IP_ROUTER_ALERT 5
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#define IP_RECVOPTS 6
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#define IP_RETOPTS 7
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#define IP_PKTINFO 8
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#define IP_PKTOPTIONS 9
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#define IP_MTU_DISCOVER 10
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#define IP_RECVERR 11
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#define IP_RECVTTL 12
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#define IP_RECVTOS 13
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#define IP_MTU 14
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#define IP_FREEBIND 15
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/* BSD compatibility */
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#define IP_RECVRETOPTS IP_RETOPTS
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/* IP_MTU_DISCOVER values */
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#define IP_PMTUDISC_DONT 0 /* Never send DF frames */
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#define IP_PMTUDISC_WANT 1 /* Use per route hints */
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#define IP_PMTUDISC_DO 2 /* Always DF */
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#define IP_MULTICAST_IF 32
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#define IP_MULTICAST_TTL 33
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#define IP_MULTICAST_LOOP 34
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#define IP_ADD_MEMBERSHIP 35
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#define IP_DROP_MEMBERSHIP 36
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/* These need to appear somewhere around here */
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#define IP_DEFAULT_MULTICAST_TTL 1
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#define IP_DEFAULT_MULTICAST_LOOP 1
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#define IN6ADDR_ANY_INIT {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
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#define IN6ADDR_LOOPBACK_INIT {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }}}
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extern const struct in6_addr in6addr_any;
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extern const struct in6_addr in6addr_loopback;
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typedef uint16_t in_port_t;
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typedef uint32_t in_addr_t;
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struct in_addr {
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in_addr_t s_addr;
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};
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struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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};
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struct ip_mreqn {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_address; /* local IP address of interface */
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int imr_ifindex; /* Interface index */
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};
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struct in_pktinfo {
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int ipi_ifindex;
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struct in_addr ipi_spec_dst;
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struct in_addr ipi_addr;
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};
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/* Structure describing an Internet (IP) socket address. */
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
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struct sockaddr_in {
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sa_family_t sin_family; /* Address family */
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in_port_t sin_port; /* Port number */
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struct in_addr sin_addr; /* Internet address */
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/* Pad to size of `struct sockaddr'. */
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unsigned char sin_zero[__SOCK_SIZE__ - sizeof(short int) -
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sizeof(unsigned short int) - sizeof(struct in_addr)];
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};
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/*
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* Definitions of the bits in an Internet address integer.
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* On subnets, host and network parts are found according
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* to the subnet mask, not these masks.
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*/
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#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
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#define IN_CLASSA_NET 0xff000000
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#define IN_CLASSA_NSHIFT 24
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#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
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#define IN_CLASSA_MAX 128
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#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
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#define IN_CLASSB_NET 0xffff0000
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#define IN_CLASSB_NSHIFT 16
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#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
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#define IN_CLASSB_MAX 65536
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#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000)
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#define IN_CLASSC_NET 0xffffff00
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#define IN_CLASSC_NSHIFT 8
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#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
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#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)
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#define IN_MULTICAST(a) IN_CLASSD(a)
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#define IN_MULTICAST_NET 0xF0000000
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#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
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#define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
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/* Address to accept any incoming messages. */
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#define INADDR_ANY ((unsigned long int) 0x00000000)
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/* Address to send to all hosts. */
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#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
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/* Address indicating an error return. */
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#define INADDR_NONE ((unsigned long int) 0xffffffff)
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/* Network number for local host loopback. */
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#define IN_LOOPBACKNET 127
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/* Address to loopback in software to local host. */
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#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */
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#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
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/* Defines for Multicast INADDR */
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#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */
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#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */
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#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */
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struct in6_addr {
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union {
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uint8_t u6_addr8[16];
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uint16_t u6_addr16[8];
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uint32_t u6_addr32[4];
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} in6_u;
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#define s6_addr in6_u.u6_addr8
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#define s6_addr16 in6_u.u6_addr16
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#define s6_addr32 in6_u.u6_addr32
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};
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struct sockaddr_in6 {
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unsigned short int sin6_family; /* AF_INET6 */
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uint16_t sin6_port; /* Transport layer port # */
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uint32_t sin6_flowinfo; /* IPv6 flow information */
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struct in6_addr sin6_addr; /* IPv6 address */
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uint32_t sin6_scope_id; /* scope id (new in RFC2553) */
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};
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struct sockaddr_in_pad {
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sa_family_t sin_family; /* Address family */
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in_port_t sin_port; /* Port number */
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struct in_addr sin_addr; /* Internet address */
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/* Pad to size of `struct sockaddr_in6'. */
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unsigned char sin_zero[sizeof(struct sockaddr_in6) - sizeof(short int) -
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sizeof(unsigned short int) - sizeof(struct in_addr)];
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};
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struct ipv6_mreq {
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/* IPv6 multicast address of group */
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struct in6_addr ipv6mr_multiaddr;
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/* local IPv6 address of interface */
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int ipv6mr_interface;
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};
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struct in6_flowlabel_req {
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struct in6_addr flr_dst;
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uint32_t flr_label;
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uint8_t flr_action;
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uint8_t flr_share;
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uint16_t flr_flags;
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uint16_t flr_expires;
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uint16_t flr_linger;
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uint32_t __flr_pad;
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/* Options in format of IPV6_PKTOPTIONS */
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};
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#define IPV6_FL_A_GET 0
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#define IPV6_FL_A_PUT 1
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#define IPV6_FL_A_RENEW 2
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#define IPV6_FL_F_CREATE 1
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#define IPV6_FL_F_EXCL 2
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#define IPV6_FL_S_NONE 0
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#define IPV6_FL_S_EXCL 1
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#define IPV6_FL_S_PROCESS 2
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#define IPV6_FL_S_USER 3
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#define IPV6_FL_S_ANY 255
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#define IPV6_FLOWINFO_FLOWLABEL 0x000fffff
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#define IPV6_FLOWINFO_PRIORITY 0x0ff00000
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/*
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* IPV6 extension headers
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*/
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#define IPPROTO_HOPOPTS 0 /* IPv6 hop-by-hop options */
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#define IPPROTO_ROUTING 43 /* IPv6 routing header */
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#define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header */
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#define IPPROTO_ICMPV6 58 /* ICMPv6 */
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#define IPPROTO_NONE 59 /* IPv6 no next header */
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#define IPPROTO_DSTOPTS 60 /* IPv6 destination options */
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/* IPv6 TLV options. */
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#define IPV6_TLV_PAD0 0
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#define IPV6_TLV_PADN 1
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#define IPV6_TLV_ROUTERALERT 5
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#define IPV6_TLV_JUMBO 194
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/* IPV6 socket options. */
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#define IPV6_ADDRFORM 1
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#define IPV6_PKTINFO 2
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#define IPV6_HOPOPTS 3
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#define IPV6_DSTOPTS 4
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#define IPV6_RTHDR 5
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#define IPV6_PKTOPTIONS 6
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#define IPV6_CHECKSUM 7
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#define IPV6_HOPLIMIT 8
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#define IPV6_NEXTHOP 9
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#define IPV6_AUTHHDR 10
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#define IPV6_FLOWINFO 11
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#define IPV6_UNICAST_HOPS 16
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#define IPV6_MULTICAST_IF 17
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#define IPV6_MULTICAST_HOPS 18
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#define IPV6_MULTICAST_LOOP 19
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#define IPV6_ADD_MEMBERSHIP 20
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#define IPV6_DROP_MEMBERSHIP 21
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#define IPV6_ROUTER_ALERT 22
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#define IPV6_MTU_DISCOVER 23
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#define IPV6_MTU 24
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#define IPV6_RECVERR 25
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/* IPV6_MTU_DISCOVER values */
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#define IPV6_PMTUDISC_DONT 0
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#define IPV6_PMTUDISC_WANT 1
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#define IPV6_PMTUDISC_DO 2
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/* Flowlabel */
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#define IPV6_FLOWLABEL_MGR 32
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#define IPV6_FLOWINFO_SEND 33
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#define IPV6_MIN_MTU 1280
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struct in6_pktinfo {
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struct in6_addr ipi6_addr;
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int ipi6_ifindex;
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};
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struct in6_ifreq {
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struct in6_addr ifr6_addr;
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uint32_t ifr6_prefixlen;
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int ifr6_ifindex;
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};
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#define IPV6_SRCRT_STRICT 0x01 /* this hop must be a neighbor */
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#define IPV6_SRCRT_TYPE_0 0 /* IPv6 type 0 Routing Header */
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/* routing header */
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struct ipv6_rt_hdr {
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uint8_t nexthdr;
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uint8_t hdrlen;
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uint8_t type;
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uint8_t segments_left;
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/* type specific data, variable length field */
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};
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struct ipv6_opt_hdr {
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uint8_t nexthdr;
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uint8_t hdrlen;
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/* TLV encoded option data follows. */
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};
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#define ipv6_destopt_hdr ipv6_opt_hdr
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#define ipv6_hopopt_hdr ipv6_opt_hdr
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/* routing header type 0 (used in cmsghdr struct) */
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#ifndef __STRICT_ANSI__
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struct rt0_hdr {
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struct ipv6_rt_hdr rt_hdr;
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uint32_t bitmap; /* strict/loose bit map */
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struct in6_addr addr[0];
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#define rt0_type rt_hdr.type;
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};
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#endif
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struct ipv6hdr {
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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unsigned int flow_lbl:20,
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priority:8,
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version:4;
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#else
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unsigned int version:4,
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priority:8,
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flow_lbl:20;
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#endif
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uint16_t payload_len;
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uint8_t nexthdr;
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uint8_t hop_limit;
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struct in6_addr saddr;
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struct in6_addr daddr;
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};
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/* fnord */
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|
|
#define IPPORT_RESERVED 1024
|
||
|
|
#define INET6_ADDRSTRLEN 46
|
||
|
|
|
||
|
|
#undef htonl
|
||
|
|
#undef htons
|
||
|
|
#undef ntohl
|
||
|
|
#undef ntohs
|
||
|
|
uint32_t htonl(uint32_t hostlong);
|
||
|
|
uint16_t htons(uint16_t hostshort);
|
||
|
|
uint32_t ntohl(uint32_t netlong);
|
||
|
|
uint16_t ntohs(uint16_t netshort);
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_UNSPECIFIED(a) \
|
||
|
|
(((__const uint32_t *) (a))[0] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[1] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[2] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[3] == 0)
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_LOOPBACK(a) \
|
||
|
|
(((__const uint32_t *) (a))[0] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[1] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[2] == 0 \
|
||
|
|
&& ((__const uint32_t *) (a))[3] == htonl (1))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MULTICAST(a) (((__const uint8_t *) (a))[0] == 0xff)
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_LINKLOCAL(a) \
|
||
|
|
((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \
|
||
|
|
== htonl (0xfe800000))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_SITELOCAL(a) \
|
||
|
|
((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \
|
||
|
|
== htonl (0xfec00000))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_V4MAPPED(a) \
|
||
|
|
((((__const uint32_t *) (a))[0] == 0) \
|
||
|
|
&& (((__const uint32_t *) (a))[1] == 0) \
|
||
|
|
&& (((__const uint32_t *) (a))[2] == htonl (0xffff)))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_V4COMPAT(a) \
|
||
|
|
((((__const uint32_t *) (a))[0] == 0) \
|
||
|
|
&& (((__const uint32_t *) (a))[1] == 0) \
|
||
|
|
&& (((__const uint32_t *) (a))[2] == 0) \
|
||
|
|
&& (ntohl (((__const uint32_t *) (a))[3]) > 1))
|
||
|
|
|
||
|
|
#define IN6_ARE_ADDR_EQUAL(a,b) \
|
||
|
|
((((__const uint32_t *) (a))[0] == ((__const uint32_t *) (b))[0]) \
|
||
|
|
&& (((__const uint32_t *) (a))[1] == ((__const uint32_t *) (b))[1]) \
|
||
|
|
&& (((__const uint32_t *) (a))[2] == ((__const uint32_t *) (b))[2]) \
|
||
|
|
&& (((__const uint32_t *) (a))[3] == ((__const uint32_t *) (b))[3]))
|
||
|
|
|
||
|
|
/* old legacy bullshit */
|
||
|
|
int bindresvport(int sd, struct sockaddr_in* _sin);
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MC_NODELOCAL(a) \
|
||
|
|
(IN6_IS_ADDR_MULTICAST(a) \
|
||
|
|
&& ((((__const uint8_t *) (a))[1] & 0xf) == 0x1))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
|
||
|
|
(IN6_IS_ADDR_MULTICAST(a) \
|
||
|
|
&& ((((__const uint8_t *) (a))[1] & 0xf) == 0x2))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MC_SITELOCAL(a) \
|
||
|
|
(IN6_IS_ADDR_MULTICAST(a) \
|
||
|
|
&& ((((__const uint8_t *) (a))[1] & 0xf) == 0x5))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
|
||
|
|
(IN6_IS_ADDR_MULTICAST(a) \
|
||
|
|
&& ((((__const uint8_t *) (a))[1] & 0xf) == 0x8))
|
||
|
|
|
||
|
|
#define IN6_IS_ADDR_MC_GLOBAL(a) \
|
||
|
|
(IN6_IS_ADDR_MULTICAST(a) \
|
||
|
|
&& ((((__const uint8_t *) (a))[1] & 0xf) == 0xe))
|
||
|
|
|
||
|
|
__END_DECLS
|
||
|
|
|
||
|
|
#endif
|