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