1 #ifndef _NETINET_IN_H 2 #define _NETINET_IN_H 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 #include <features.h> 9 #include <inttypes.h> 10 #include <sys/socket.h> 11 12 typedef uint16_t in_port_t; 13 typedef uint32_t in_addr_t; 14 struct in_addr { in_addr_t s_addr; }; 15 16 struct sockaddr_in { 17 sa_family_t sin_family; 18 in_port_t sin_port; 19 struct in_addr sin_addr; 20 uint8_t sin_zero[8]; 21 }; 22 23 struct in6_addr { 24 union { 25 uint8_t __s6_addr[16]; 26 uint16_t __s6_addr16[8]; 27 uint32_t __s6_addr32[4]; 28 } __in6_union; 29 }; 30 #define s6_addr __in6_union.__s6_addr 31 #define s6_addr16 __in6_union.__s6_addr16 32 #define s6_addr32 __in6_union.__s6_addr32 33 34 struct sockaddr_in6 { 35 sa_family_t sin6_family; 36 in_port_t sin6_port; 37 uint32_t sin6_flowinfo; 38 struct in6_addr sin6_addr; 39 uint32_t sin6_scope_id; 40 }; 41 42 struct ipv6_mreq { 43 struct in6_addr ipv6mr_multiaddr; 44 unsigned ipv6mr_interface; 45 }; 46 47 #define INADDR_ANY ((in_addr_t) 0x00000000) 48 #define INADDR_BROADCAST ((in_addr_t) 0xffffffff) 49 #define INADDR_NONE ((in_addr_t) 0xffffffff) 50 #define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) 51 #define INADDR_DUMMY ((in_addr_t) 0xc0000008) 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_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a) 57 #define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) 58 59 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } 60 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } 61 62 extern const struct in6_addr in6addr_any, in6addr_loopback; 63 64 #define INET_ADDRSTRLEN 16 65 #define INET6_ADDRSTRLEN 46 66 67 uint32_t htonl(uint32_t); 68 uint16_t htons(uint16_t); 69 uint32_t ntohl(uint32_t); 70 uint16_t ntohs(uint16_t); 71 72 #define IPPORT_RESERVED 1024 73 74 #define IPPROTO_IP 0 75 #define IPPROTO_HOPOPTS 0 76 #define IPPROTO_ICMP 1 77 #define IPPROTO_IGMP 2 78 #define IPPROTO_IPIP 4 79 #define IPPROTO_TCP 6 80 #define IPPROTO_EGP 8 81 #define IPPROTO_PUP 12 82 #define IPPROTO_UDP 17 83 #define IPPROTO_IDP 22 84 #define IPPROTO_TP 29 85 #define IPPROTO_DCCP 33 86 #define IPPROTO_IPV6 41 87 #define IPPROTO_ROUTING 43 88 #define IPPROTO_FRAGMENT 44 89 #define IPPROTO_RSVP 46 90 #define IPPROTO_GRE 47 91 #define IPPROTO_ESP 50 92 #define IPPROTO_AH 51 93 #define IPPROTO_ICMPV6 58 94 #define IPPROTO_NONE 59 95 #define IPPROTO_DSTOPTS 60 96 #define IPPROTO_MTP 92 97 #define IPPROTO_BEETPH 94 98 #define IPPROTO_ENCAP 98 99 #define IPPROTO_PIM 103 100 #define IPPROTO_COMP 108 101 #define IPPROTO_SCTP 132 102 #define IPPROTO_MH 135 103 #define IPPROTO_UDPLITE 136 104 #define IPPROTO_MPLS 137 105 #define IPPROTO_ETHERNET 143 106 #define IPPROTO_RAW 255 107 #define IPPROTO_MPTCP 262 108 #define IPPROTO_MAX 263 109 110 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 111 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 112 ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0) 113 114 #define IN6_IS_ADDR_LOOPBACK(a) \ 115 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 116 ((uint32_t *) (a))[2] == 0 && \ 117 ((uint8_t *) (a))[12] == 0 && ((uint8_t *) (a))[13] == 0 && \ 118 ((uint8_t *) (a))[14] == 0 && ((uint8_t *) (a))[15] == 1 ) 119 120 #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff) 121 122 #define IN6_IS_ADDR_LINKLOCAL(a) \ 123 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80) 124 125 #define IN6_IS_ADDR_SITELOCAL(a) \ 126 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0xc0) 127 128 #define IN6_IS_ADDR_V4MAPPED(a) \ 129 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 130 ((uint8_t *) (a))[8] == 0 && ((uint8_t *) (a))[9] == 0 && \ 131 ((uint8_t *) (a))[10] == 0xff && ((uint8_t *) (a))[11] == 0xff) 132 133 #define IN6_IS_ADDR_V4COMPAT(a) \ 134 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 135 ((uint32_t *) (a))[2] == 0 && ((uint8_t *) (a))[15] > 1) 136 137 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 138 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1)) 139 140 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 141 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2)) 142 143 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 144 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5)) 145 146 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 147 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8)) 148 149 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 150 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe)) 151 152 #define __ARE_4_EQUAL(a,b) \ 153 (!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) )) 154 #define IN6_ARE_ADDR_EQUAL(a,b) \ 155 __ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b)) 156 157 #define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) 158 #define IN_CLASSA_NET 0xff000000 159 #define IN_CLASSA_NSHIFT 24 160 #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) 161 #define IN_CLASSA_MAX 128 162 #define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) 163 #define IN_CLASSB_NET 0xffff0000 164 #define IN_CLASSB_NSHIFT 16 165 #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) 166 #define IN_CLASSB_MAX 65536 167 #define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) 168 #define IN_CLASSC_NET 0xffffff00 169 #define IN_CLASSC_NSHIFT 8 170 #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) 171 #define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) 172 #define IN_MULTICAST(a) IN_CLASSD(a) 173 #define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) 174 #define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) 175 176 #define IN_LOOPBACKNET 127 177 178 179 #define IP_TOS 1 180 #define IP_TTL 2 181 #define IP_HDRINCL 3 182 #define IP_OPTIONS 4 183 #define IP_ROUTER_ALERT 5 184 #define IP_RECVOPTS 6 185 #define IP_RETOPTS 7 186 #define IP_PKTINFO 8 187 #define IP_PKTOPTIONS 9 188 #define IP_PMTUDISC 10 189 #define IP_MTU_DISCOVER 10 190 #define IP_RECVERR 11 191 #define IP_RECVTTL 12 192 #define IP_RECVTOS 13 193 #define IP_MTU 14 194 #define IP_FREEBIND 15 195 #define IP_IPSEC_POLICY 16 196 #define IP_XFRM_POLICY 17 197 #define IP_PASSSEC 18 198 #define IP_TRANSPARENT 19 199 #define IP_ORIGDSTADDR 20 200 #define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 201 #define IP_MINTTL 21 202 #define IP_NODEFRAG 22 203 #define IP_CHECKSUM 23 204 #define IP_BIND_ADDRESS_NO_PORT 24 205 #define IP_RECVFRAGSIZE 25 206 #define IP_RECVERR_RFC4884 26 207 #define IP_MULTICAST_IF 32 208 #define IP_MULTICAST_TTL 33 209 #define IP_MULTICAST_LOOP 34 210 #define IP_ADD_MEMBERSHIP 35 211 #define IP_DROP_MEMBERSHIP 36 212 #define IP_UNBLOCK_SOURCE 37 213 #define IP_BLOCK_SOURCE 38 214 #define IP_ADD_SOURCE_MEMBERSHIP 39 215 #define IP_DROP_SOURCE_MEMBERSHIP 40 216 #define IP_MSFILTER 41 217 #define IP_MULTICAST_ALL 49 218 #define IP_UNICAST_IF 50 219 220 #define IP_RECVRETOPTS IP_RETOPTS 221 222 #define IP_PMTUDISC_DONT 0 223 #define IP_PMTUDISC_WANT 1 224 #define IP_PMTUDISC_DO 2 225 #define IP_PMTUDISC_PROBE 3 226 #define IP_PMTUDISC_INTERFACE 4 227 #define IP_PMTUDISC_OMIT 5 228 229 #define IP_DEFAULT_MULTICAST_TTL 1 230 #define IP_DEFAULT_MULTICAST_LOOP 1 231 #define IP_MAX_MEMBERSHIPS 20 232 233 struct ip_opts { 234 struct in_addr ip_dst; 235 char ip_opts[40]; 236 }; 237 238 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 239 240 #define MCAST_JOIN_GROUP 42 241 #define MCAST_BLOCK_SOURCE 43 242 #define MCAST_UNBLOCK_SOURCE 44 243 #define MCAST_LEAVE_GROUP 45 244 #define MCAST_JOIN_SOURCE_GROUP 46 245 #define MCAST_LEAVE_SOURCE_GROUP 47 246 #define MCAST_MSFILTER 48 247 248 #define MCAST_EXCLUDE 0 249 #define MCAST_INCLUDE 1 250 251 struct ip_mreq { 252 struct in_addr imr_multiaddr; 253 struct in_addr imr_interface; 254 }; 255 256 struct ip_mreqn { 257 struct in_addr imr_multiaddr; 258 struct in_addr imr_address; 259 int imr_ifindex; 260 }; 261 262 struct ip_mreq_source { 263 struct in_addr imr_multiaddr; 264 struct in_addr imr_interface; 265 struct in_addr imr_sourceaddr; 266 }; 267 268 struct ip_msfilter { 269 struct in_addr imsf_multiaddr; 270 struct in_addr imsf_interface; 271 uint32_t imsf_fmode; 272 uint32_t imsf_numsrc; 273 struct in_addr imsf_slist[1]; 274 }; 275 #define IP_MSFILTER_SIZE(numsrc) \ 276 (sizeof(struct ip_msfilter) - sizeof(struct in_addr) \ 277 + (numsrc) * sizeof(struct in_addr)) 278 279 struct group_req { 280 uint32_t gr_interface; 281 struct sockaddr_storage gr_group; 282 }; 283 284 struct group_source_req { 285 uint32_t gsr_interface; 286 struct sockaddr_storage gsr_group; 287 struct sockaddr_storage gsr_source; 288 }; 289 290 struct group_filter { 291 uint32_t gf_interface; 292 struct sockaddr_storage gf_group; 293 uint32_t gf_fmode; 294 uint32_t gf_numsrc; 295 struct sockaddr_storage gf_slist[1]; 296 }; 297 #define GROUP_FILTER_SIZE(numsrc) \ 298 (sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \ 299 + (numsrc) * sizeof(struct sockaddr_storage)) 300 301 struct in_pktinfo { 302 int ipi_ifindex; 303 struct in_addr ipi_spec_dst; 304 struct in_addr ipi_addr; 305 }; 306 307 struct in6_pktinfo { 308 struct in6_addr ipi6_addr; 309 unsigned ipi6_ifindex; 310 }; 311 312 struct ip6_mtuinfo { 313 struct sockaddr_in6 ip6m_addr; 314 uint32_t ip6m_mtu; 315 }; 316 #endif 317 318 #define IPV6_ADDRFORM 1 319 #define IPV6_2292PKTINFO 2 320 #define IPV6_2292HOPOPTS 3 321 #define IPV6_2292DSTOPTS 4 322 #define IPV6_2292RTHDR 5 323 #define IPV6_2292PKTOPTIONS 6 324 #define IPV6_CHECKSUM 7 325 #define IPV6_2292HOPLIMIT 8 326 #define IPV6_NEXTHOP 9 327 #define IPV6_AUTHHDR 10 328 #define IPV6_UNICAST_HOPS 16 329 #define IPV6_MULTICAST_IF 17 330 #define IPV6_MULTICAST_HOPS 18 331 #define IPV6_MULTICAST_LOOP 19 332 #define IPV6_JOIN_GROUP 20 333 #define IPV6_LEAVE_GROUP 21 334 #define IPV6_ROUTER_ALERT 22 335 #define IPV6_MTU_DISCOVER 23 336 #define IPV6_MTU 24 337 #define IPV6_RECVERR 25 338 #define IPV6_V6ONLY 26 339 #define IPV6_JOIN_ANYCAST 27 340 #define IPV6_LEAVE_ANYCAST 28 341 #define IPV6_MULTICAST_ALL 29 342 #define IPV6_ROUTER_ALERT_ISOLATE 30 343 #define IPV6_IPSEC_POLICY 34 344 #define IPV6_XFRM_POLICY 35 345 #define IPV6_HDRINCL 36 346 347 #define IPV6_RECVPKTINFO 49 348 #define IPV6_PKTINFO 50 349 #define IPV6_RECVHOPLIMIT 51 350 #define IPV6_HOPLIMIT 52 351 #define IPV6_RECVHOPOPTS 53 352 #define IPV6_HOPOPTS 54 353 #define IPV6_RTHDRDSTOPTS 55 354 #define IPV6_RECVRTHDR 56 355 #define IPV6_RTHDR 57 356 #define IPV6_RECVDSTOPTS 58 357 #define IPV6_DSTOPTS 59 358 #define IPV6_RECVPATHMTU 60 359 #define IPV6_PATHMTU 61 360 #define IPV6_DONTFRAG 62 361 #define IPV6_RECVTCLASS 66 362 #define IPV6_TCLASS 67 363 #define IPV6_AUTOFLOWLABEL 70 364 #define IPV6_ADDR_PREFERENCES 72 365 #define IPV6_MINHOPCOUNT 73 366 #define IPV6_ORIGDSTADDR 74 367 #define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR 368 #define IPV6_TRANSPARENT 75 369 #define IPV6_UNICAST_IF 76 370 #define IPV6_RECVFRAGSIZE 77 371 #define IPV6_FREEBIND 78 372 373 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP 374 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP 375 #define IPV6_RXHOPOPTS IPV6_HOPOPTS 376 #define IPV6_RXDSTOPTS IPV6_DSTOPTS 377 378 #define IPV6_PMTUDISC_DONT 0 379 #define IPV6_PMTUDISC_WANT 1 380 #define IPV6_PMTUDISC_DO 2 381 #define IPV6_PMTUDISC_PROBE 3 382 #define IPV6_PMTUDISC_INTERFACE 4 383 #define IPV6_PMTUDISC_OMIT 5 384 385 #define IPV6_PREFER_SRC_TMP 0x0001 386 #define IPV6_PREFER_SRC_PUBLIC 0x0002 387 #define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100 388 #define IPV6_PREFER_SRC_COA 0x0004 389 #define IPV6_PREFER_SRC_HOME 0x0400 390 #define IPV6_PREFER_SRC_CGA 0x0008 391 #define IPV6_PREFER_SRC_NONCGA 0x0800 392 393 #define IPV6_RTHDR_LOOSE 0 394 #define IPV6_RTHDR_STRICT 1 395 396 #define IPV6_RTHDR_TYPE_0 0 397 398 #define __UAPI_DEF_IN_ADDR 0 399 #define __UAPI_DEF_IN_IPPROTO 0 400 #define __UAPI_DEF_IN_PKTINFO 0 401 #define __UAPI_DEF_IP_MREQ 0 402 #define __UAPI_DEF_SOCKADDR_IN 0 403 #define __UAPI_DEF_IN_CLASS 0 404 #define __UAPI_DEF_IN6_ADDR 0 405 #define __UAPI_DEF_IN6_ADDR_ALT 0 406 #define __UAPI_DEF_SOCKADDR_IN6 0 407 #define __UAPI_DEF_IPV6_MREQ 0 408 #define __UAPI_DEF_IPPROTO_V6 0 409 #define __UAPI_DEF_IPV6_OPTIONS 0 410 #define __UAPI_DEF_IN6_PKTINFO 0 411 #define __UAPI_DEF_IP6_MTUINFO 0 412 413 #ifdef __cplusplus 414 } 415 #endif 416 417 #endif 418