1 #pragma once 2 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 7 #include <features.h> 8 #include <inttypes.h> 9 #include <sys/socket.h> 10 11 typedef uint16_t in_port_t; 12 typedef uint32_t in_addr_t; 13 struct in_addr { 14 in_addr_t s_addr; 15 }; 16 17 struct 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 24 struct 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 35 struct 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 43 struct 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 71 extern 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 78 uint32_t htonl(uint32_t); 79 uint16_t htons(uint16_t); 80 uint32_t ntohl(uint32_t); 81 uint16_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 20 231 232 struct 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 1 249 250 struct ip_mreq { 251 struct in_addr imr_multiaddr; 252 struct in_addr imr_interface; 253 }; 254 255 struct ip_mreqn { 256 struct in_addr imr_multiaddr; 257 struct in_addr imr_address; 258 int imr_ifindex; 259 }; 260 261 struct ip_mreq_source { 262 struct in_addr imr_multiaddr; 263 struct in_addr imr_interface; 264 struct in_addr imr_sourceaddr; 265 }; 266 267 struct 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)) 276 277 struct group_req { 278 uint32_t gr_interface; 279 struct sockaddr_storage gr_group; 280 }; 281 282 struct group_source_req { 283 uint32_t gsr_interface; 284 struct sockaddr_storage gsr_group; 285 struct sockaddr_storage gsr_source; 286 }; 287 288 struct 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)) 298 299 struct in_pktinfo { 300 int ipi_ifindex; 301 struct in_addr ipi_spec_dst; 302 struct in_addr ipi_addr; 303 }; 304 305 struct in6_pktinfo { 306 struct in6_addr ipi6_addr; 307 unsigned ipi6_ifindex; 308 }; 309 310 struct 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