1#pragma once 2 3#ifdef __cplusplus 4extern "C" { 5#endif 6 7#include <features.h> 8#include <inttypes.h> 9#include <sys/socket.h> 10 11typedef uint16_t in_port_t; 12typedef uint32_t in_addr_t; 13struct in_addr { 14 in_addr_t s_addr; 15}; 16 17struct sockaddr_in { 18 sa_family_t sin_family; 19 in_port_t sin_port; 20 struct in_addr sin_addr; 21 uint8_t sin_zero[8]; 22}; 23 24struct in6_addr { 25 union { 26 uint8_t __s6_addr[16]; 27 uint16_t __s6_addr16[8]; 28 uint32_t __s6_addr32[4]; 29 } __in6_union; 30}; 31#define s6_addr __in6_union.__s6_addr 32#define s6_addr16 __in6_union.__s6_addr16 33#define s6_addr32 __in6_union.__s6_addr32 34 35struct sockaddr_in6 { 36 sa_family_t sin6_family; 37 in_port_t sin6_port; 38 uint32_t sin6_flowinfo; 39 struct in6_addr sin6_addr; 40 uint32_t sin6_scope_id; 41}; 42 43struct ipv6_mreq { 44 struct in6_addr ipv6mr_multiaddr; 45 unsigned ipv6mr_interface; 46}; 47 48#define INADDR_ANY ((in_addr_t)0x00000000) 49#define INADDR_BROADCAST ((in_addr_t)0xffffffff) 50#define INADDR_NONE ((in_addr_t)0xffffffff) 51#define INADDR_LOOPBACK ((in_addr_t)0x7f000001) 52 53#define INADDR_UNSPEC_GROUP ((in_addr_t)0xe0000000) 54#define INADDR_ALLHOSTS_GROUP ((in_addr_t)0xe0000001) 55#define INADDR_ALLRTRS_GROUP ((in_addr_t)0xe0000002) 56#define INADDR_MAX_LOCAL_GROUP ((in_addr_t)0xe00000ff) 57 58#define IN6ADDR_ANY_INIT \ 59 { \ 60 { \ 61 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } \ 62 } \ 63 } 64#define IN6ADDR_LOOPBACK_INIT \ 65 { \ 66 { \ 67 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 } \ 68 } \ 69 } 70 71extern const struct in6_addr in6addr_any, in6addr_loopback; 72 73#undef INET_ADDRSTRLEN 74#undef INET6_ADDRSTRLEN 75#define INET_ADDRSTRLEN 16 76#define INET6_ADDRSTRLEN 46 77 78uint32_t htonl(uint32_t); 79uint16_t htons(uint16_t); 80uint32_t ntohl(uint32_t); 81uint16_t ntohs(uint16_t); 82 83#define IPPROTO_IP 0 84#define IPPROTO_HOPOPTS 0 85#define IPPROTO_ICMP 1 86#define IPPROTO_IGMP 2 87#define IPPROTO_IPIP 4 88#define IPPROTO_TCP 6 89#define IPPROTO_EGP 8 90#define IPPROTO_PUP 12 91#define IPPROTO_UDP 17 92#define IPPROTO_IDP 22 93#define IPPROTO_TP 29 94#define IPPROTO_DCCP 33 95#define IPPROTO_IPV6 41 96#define IPPROTO_ROUTING 43 97#define IPPROTO_FRAGMENT 44 98#define IPPROTO_RSVP 46 99#define IPPROTO_GRE 47 100#define IPPROTO_ESP 50 101#define IPPROTO_AH 51 102#define IPPROTO_ICMPV6 58 103#define IPPROTO_NONE 59 104#define IPPROTO_DSTOPTS 60 105#define IPPROTO_MTP 92 106#define IPPROTO_BEETPH 94 107#define IPPROTO_ENCAP 98 108#define IPPROTO_PIM 103 109#define IPPROTO_COMP 108 110#define IPPROTO_SCTP 132 111#define IPPROTO_MH 135 112#define IPPROTO_UDPLITE 136 113#define IPPROTO_MPLS 137 114#define IPPROTO_RAW 255 115#define IPPROTO_MAX 256 116 117#define IN6_IS_ADDR_UNSPECIFIED(a) \ 118 (((uint32_t*)(a))[0] == 0 && ((uint32_t*)(a))[1] == 0 && ((uint32_t*)(a))[2] == 0 && \ 119 ((uint32_t*)(a))[3] == 0) 120 121#define IN6_IS_ADDR_LOOPBACK(a) \ 122 (((uint32_t*)(a))[0] == 0 && ((uint32_t*)(a))[1] == 0 && ((uint32_t*)(a))[2] == 0 && \ 123 ((uint8_t*)(a))[12] == 0 && ((uint8_t*)(a))[13] == 0 && ((uint8_t*)(a))[14] == 0 && \ 124 ((uint8_t*)(a))[15] == 1) 125 126#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t*)(a))[0] == 0xff) 127 128#define IN6_IS_ADDR_LINKLOCAL(a) \ 129 ((((uint8_t*)(a))[0]) == 0xfe && (((uint8_t*)(a))[1] & 0xc0) == 0x80) 130 131#define IN6_IS_ADDR_SITELOCAL(a) \ 132 ((((uint8_t*)(a))[0]) == 0xfe && (((uint8_t*)(a))[1] & 0xc0) == 0xc0) 133 134#define IN6_IS_ADDR_V4MAPPED(a) \ 135 (((uint32_t*)(a))[0] == 0 && ((uint32_t*)(a))[1] == 0 && ((uint8_t*)(a))[8] == 0 && \ 136 ((uint8_t*)(a))[9] == 0 && ((uint8_t*)(a))[10] == 0xff && ((uint8_t*)(a))[11] == 0xff) 137 138#define IN6_IS_ADDR_V4COMPAT(a) \ 139 (((uint32_t*)(a))[0] == 0 && ((uint32_t*)(a))[1] == 0 && ((uint32_t*)(a))[2] == 0 && \ 140 ((uint8_t*)(a))[15] > 1) 141 142#define IN6_IS_ADDR_MC_NODELOCAL(a) \ 143 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t*)(a))[1] & 0xf) == 0x1)) 144 145#define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 146 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t*)(a))[1] & 0xf) == 0x2)) 147 148#define IN6_IS_ADDR_MC_SITELOCAL(a) \ 149 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t*)(a))[1] & 0xf) == 0x5)) 150 151#define IN6_IS_ADDR_MC_ORGLOCAL(a) (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t*)(a))[1] & 0xf) == 0x8)) 152 153#define IN6_IS_ADDR_MC_GLOBAL(a) (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t*)(a))[1] & 0xf) == 0xe)) 154 155#define __ARE_4_EQUAL(a, b) \ 156 (!((0 [a] - 0 [b]) | (1 [a] - 1 [b]) | (2 [a] - 2 [b]) | (3 [a] - 3 [b]))) 157#define IN6_ARE_ADDR_EQUAL(a, b) __ARE_4_EQUAL((const uint32_t*)(a), (const uint32_t*)(b)) 158 159#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) 160#define IN_CLASSA_NET 0xff000000 161#define IN_CLASSA_NSHIFT 24 162#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) 163#define IN_CLASSA_MAX 128 164#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) 165#define IN_CLASSB_NET 0xffff0000 166#define IN_CLASSB_NSHIFT 16 167#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) 168#define IN_CLASSB_MAX 65536 169#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) 170#define IN_CLASSC_NET 0xffffff00 171#define IN_CLASSC_NSHIFT 8 172#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) 173#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) 174#define IN_MULTICAST(a) IN_CLASSD(a) 175#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) 176#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) 177 178#define IN_LOOPBACKNET 127 179 180#define IP_TOS 1 181#define IP_TTL 2 182#define IP_HDRINCL 3 183#define IP_OPTIONS 4 184#define IP_ROUTER_ALERT 5 185#define IP_RECVOPTS 6 186#define IP_RETOPTS 7 187#define IP_PKTINFO 8 188#define IP_PKTOPTIONS 9 189#define IP_PMTUDISC 10 190#define IP_MTU_DISCOVER 10 191#define IP_RECVERR 11 192#define IP_RECVTTL 12 193#define IP_RECVTOS 13 194#define IP_MTU 14 195#define IP_FREEBIND 15 196#define IP_IPSEC_POLICY 16 197#define IP_XFRM_POLICY 17 198#define IP_PASSSEC 18 199#define IP_TRANSPARENT 19 200#define IP_ORIGDSTADDR 20 201#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 202#define IP_MINTTL 21 203#define IP_NODEFRAG 22 204#define IP_CHECKSUM 23 205#define IP_BIND_ADDRESS_NO_PORT 24 206#define IP_MULTICAST_IF 32 207#define IP_MULTICAST_TTL 33 208#define IP_MULTICAST_LOOP 34 209#define IP_ADD_MEMBERSHIP 35 210#define IP_DROP_MEMBERSHIP 36 211#define IP_UNBLOCK_SOURCE 37 212#define IP_BLOCK_SOURCE 38 213#define IP_ADD_SOURCE_MEMBERSHIP 39 214#define IP_DROP_SOURCE_MEMBERSHIP 40 215#define IP_MSFILTER 41 216#define IP_MULTICAST_ALL 49 217#define IP_UNICAST_IF 50 218 219#define IP_RECVRETOPTS IP_RETOPTS 220 221#define IP_PMTUDISC_DONT 0 222#define IP_PMTUDISC_WANT 1 223#define IP_PMTUDISC_DO 2 224#define IP_PMTUDISC_PROBE 3 225#define IP_PMTUDISC_INTERFACE 4 226#define IP_PMTUDISC_OMIT 5 227 228#define IP_DEFAULT_MULTICAST_TTL 1 229#define IP_DEFAULT_MULTICAST_LOOP 1 230#define IP_MAX_MEMBERSHIPS 20 231 232struct ip_opts { 233 struct in_addr ip_dst; 234 char ip_opts[40]; 235}; 236 237#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 238 239#define MCAST_JOIN_GROUP 42 240#define MCAST_BLOCK_SOURCE 43 241#define MCAST_UNBLOCK_SOURCE 44 242#define MCAST_LEAVE_GROUP 45 243#define MCAST_JOIN_SOURCE_GROUP 46 244#define MCAST_LEAVE_SOURCE_GROUP 47 245#define MCAST_MSFILTER 48 246 247#define MCAST_EXCLUDE 0 248#define MCAST_INCLUDE 1 249 250struct ip_mreq { 251 struct in_addr imr_multiaddr; 252 struct in_addr imr_interface; 253}; 254 255struct ip_mreqn { 256 struct in_addr imr_multiaddr; 257 struct in_addr imr_address; 258 int imr_ifindex; 259}; 260 261struct ip_mreq_source { 262 struct in_addr imr_multiaddr; 263 struct in_addr imr_interface; 264 struct in_addr imr_sourceaddr; 265}; 266 267struct ip_msfilter { 268 struct in_addr imsf_multiaddr; 269 struct in_addr imsf_interface; 270 uint32_t imsf_fmode; 271 uint32_t imsf_numsrc; 272 struct in_addr imsf_slist[1]; 273}; 274#define IP_MSFILTER_SIZE(numsrc) \ 275 (sizeof(struct ip_msfilter) - sizeof(struct in_addr) + (numsrc) * sizeof(struct in_addr)) 276 277struct group_req { 278 uint32_t gr_interface; 279 struct sockaddr_storage gr_group; 280}; 281 282struct group_source_req { 283 uint32_t gsr_interface; 284 struct sockaddr_storage gsr_group; 285 struct sockaddr_storage gsr_source; 286}; 287 288struct group_filter { 289 uint32_t gf_interface; 290 struct sockaddr_storage gf_group; 291 uint32_t gf_fmode; 292 uint32_t gf_numsrc; 293 struct sockaddr_storage gf_slist[1]; 294}; 295#define GROUP_FILTER_SIZE(numsrc) \ 296 (sizeof(struct group_filter) - sizeof(struct sockaddr_storage) + \ 297 (numsrc) * sizeof(struct sockaddr_storage)) 298 299struct in_pktinfo { 300 int ipi_ifindex; 301 struct in_addr ipi_spec_dst; 302 struct in_addr ipi_addr; 303}; 304 305struct in6_pktinfo { 306 struct in6_addr ipi6_addr; 307 unsigned ipi6_ifindex; 308}; 309 310struct ip6_mtuinfo { 311 struct sockaddr_in6 ip6m_addr; 312 uint32_t ip6m_mtu; 313}; 314#endif 315 316#define IPV6_ADDRFORM 1 317#define IPV6_2292PKTINFO 2 318#define IPV6_2292HOPOPTS 3 319#define IPV6_2292DSTOPTS 4 320#define IPV6_2292RTHDR 5 321#define IPV6_2292PKTOPTIONS 6 322#define IPV6_CHECKSUM 7 323#define IPV6_2292HOPLIMIT 8 324#define IPV6_NEXTHOP 9 325#define IPV6_AUTHHDR 10 326#define IPV6_UNICAST_HOPS 16 327#define IPV6_MULTICAST_IF 17 328#define IPV6_MULTICAST_HOPS 18 329#define IPV6_MULTICAST_LOOP 19 330#define IPV6_JOIN_GROUP 20 331#define IPV6_LEAVE_GROUP 21 332#define IPV6_ROUTER_ALERT 22 333#define IPV6_MTU_DISCOVER 23 334#define IPV6_MTU 24 335#define IPV6_RECVERR 25 336#define IPV6_V6ONLY 26 337#define IPV6_JOIN_ANYCAST 27 338#define IPV6_LEAVE_ANYCAST 28 339#define IPV6_IPSEC_POLICY 34 340#define IPV6_XFRM_POLICY 35 341#define IPV6_HDRINCL 36 342 343#define IPV6_RECVPKTINFO 49 344#define IPV6_PKTINFO 50 345#define IPV6_RECVHOPLIMIT 51 346#define IPV6_HOPLIMIT 52 347#define IPV6_RECVHOPOPTS 53 348#define IPV6_HOPOPTS 54 349#define IPV6_RTHDRDSTOPTS 55 350#define IPV6_RECVRTHDR 56 351#define IPV6_RTHDR 57 352#define IPV6_RECVDSTOPTS 58 353#define IPV6_DSTOPTS 59 354#define IPV6_RECVPATHMTU 60 355#define IPV6_PATHMTU 61 356#define IPV6_DONTFRAG 62 357#define IPV6_RECVTCLASS 66 358#define IPV6_TCLASS 67 359#define IPV6_AUTOFLOWLABEL 70 360#define IPV6_ADDR_PREFERENCES 72 361#define IPV6_MINHOPCOUNT 73 362#define IPV6_ORIGDSTADDR 74 363#define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR 364#define IPV6_TRANSPARENT 75 365#define IPV6_UNICAST_IF 76 366 367#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP 368#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP 369#define IPV6_RXHOPOPTS IPV6_HOPOPTS 370#define IPV6_RXDSTOPTS IPV6_DSTOPTS 371 372#define IPV6_PMTUDISC_DONT 0 373#define IPV6_PMTUDISC_WANT 1 374#define IPV6_PMTUDISC_DO 2 375#define IPV6_PMTUDISC_PROBE 3 376#define IPV6_PMTUDISC_INTERFACE 4 377#define IPV6_PMTUDISC_OMIT 5 378 379#define IPV6_PREFER_SRC_TMP 0x0001 380#define IPV6_PREFER_SRC_PUBLIC 0x0002 381#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100 382#define IPV6_PREFER_SRC_COA 0x0004 383#define IPV6_PREFER_SRC_HOME 0x0400 384#define IPV6_PREFER_SRC_CGA 0x0008 385#define IPV6_PREFER_SRC_NONCGA 0x0800 386 387#define IPV6_RTHDR_LOOSE 0 388#define IPV6_RTHDR_STRICT 1 389 390#define IPV6_RTHDR_TYPE_0 0 391 392#ifdef __cplusplus 393} 394#endif 395