apps/include/netinet/in.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU Lesser General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU Lesser General Public License for more details.
  14
  15     You should have received a copy of the GNU Lesser General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef _NETINET_IN_H_
  20 #define _NETINET_IN_H_
  21
  22 #include <sys/socket.h>
  23 #include <stdint.h>
  24
  25 typedef uint16_t in_port_t;
  26
  27 // IPv4
  28
  29 #define IPPROTO_IP   0x00010000
  30 #define IPPROTO_ICMP 0x00010001
  31 #define IPPROTO_RAW  0x00010002
  32 #define IPPROTO_TCP  0x00010003
  33 #define IPPROTO_UDP  0x00010004
  34
  35 #define INADDR_ANY       ((in_addr_t)0x00000000)
  36 #define INADDR_BROADCAST ((in_addr_t)0xFFFFFFFF)
  37 #define INADDR_NONE      ((in_addr_t)0xFFFFFFFF)
  38
  39 #define INET_ADDRSTRLEN 16
  40
  41 typedef uint32_t in_addr_t;
  42
  43 struct in_addr {
  44   in_addr_t s_addr;
  45 };
  46
  47 struct sockaddr_in {
  48   sa_family_t sin_family;
  49   in_port_t sin_port;
  50   struct in_addr sin_addr;
  51 };
  52
  53 #include <arpa/inet.h>
  54
  55 // IPv6
  56
  57 #define IPPROTO_IPV6 1024
  58
  59 #define IN6ADDR_ANY_INIT { .sin_addr = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
  60 #define IN6ADDR_LOOPBACK_INIT { .sin_addr = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
  61
  62 #define INET6_ADDRSTRLEN 46
  63
  64 #define IPV6_JOIN_GROUP     0x00011000
  65 #define IPV6_LEAVE_GROUP    0x00011001
  66 #define IPV6_MULTICAST_HOPS 0x00011002
  67 #define IPV6_MULTICAST_IF   0x00011003
  68 #define IPV6_MULTICAST_LOOP 0x00011004
  69 #define IPV6_UNICAST_HOPS   0x00011005
  70 #define IPV6_V6ONLY         0x00011006
  71
  72 #define IN6_IS_ADDR_UNSPECIFIED(a) \
  73         (((const uint32_t *) (a))[0] == 0                                     \
  74          && ((const uint32_t *) (a))[1] == 0                                  \
  75          && ((const uint32_t *) (a))[2] == 0                                  \
  76          && ((const uint32_t *) (a))[3] == 0)
  77
  78 #define IN6_IS_ADDR_LOOPBACK(a) \
  79         (((const uint32_t *) (a))[0] == 0                                     \
  80          && ((const uint32_t *) (a))[1] == 0                                  \
  81          && ((const uint32_t *) (a))[2] == 0                                  \
  82          && ((const uint32_t *) (a))[3] == htonl (1))
  83
  84 #define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff)
  85
  86 #define IN6_IS_ADDR_LINKLOCAL(a) \
  87         ((((const uint32_t *) (a))[0] & htonl (0xffc00000))                   \
  88          == htonl (0xfe800000))
  89
  90 #define IN6_IS_ADDR_SITELOCAL(a) \
  91         ((((const uint32_t *) (a))[0] & htonl (0xffc00000))                   \
  92          == htonl (0xfec00000))
  93
  94 #define IN6_IS_ADDR_V4MAPPED(a) \
  95         ((((const uint32_t *) (a))[0] == 0)                                   \
  96          && (((const uint32_t *) (a))[1] == 0)                        \
  97          && (((const uint32_t *) (a))[2] == htonl (0xffff)))
  98
  99 #define IN6_IS_ADDR_V4COMPAT(a) \
 100         ((((const uint32_t *) (a))[0] == 0)                                   \
 101          && (((const uint32_t *) (a))[1] == 0)                        \
 102          && (((const uint32_t *) (a))[2] == 0)                        \
 103          && (ntohl (((const uint32_t *) (a))[3]) > 1))
 104
 105 #define IN6_ARE_ADDR_EQUAL(a,b) \
 106         ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0])     \
 107          && (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1])  \
 108          && (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2])  \
 109          && (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3]))
 110
 111 #define IN6_IS_ADDR_MC_NODELOCAL(a) \
 112         (IN6_IS_ADDR_MULTICAST(a)                                             \
 113          && ((((const uint8_t *) (a))[1] & 0xf) == 0x1))
 114
 115 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \
 116         (IN6_IS_ADDR_MULTICAST(a)                                             \
 117          && ((((const uint8_t *) (a))[1] & 0xf) == 0x2))
 118
 119 #define IN6_IS_ADDR_MC_SITELOCAL(a) \
 120         (IN6_IS_ADDR_MULTICAST(a)                                             \
 121          && ((((const uint8_t *) (a))[1] & 0xf) == 0x5))
 122
 123 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \
 124         (IN6_IS_ADDR_MULTICAST(a)                                             \
 125          && ((((const uint8_t *) (a))[1] & 0xf) == 0x8))
 126
 127 #define IN6_IS_ADDR_MC_GLOBAL(a) \
 128         (IN6_IS_ADDR_MULTICAST(a)                                             \
 129          && ((((const uint8_t *) (a))[1] & 0xf) == 0xe))
 130
 131 struct in6_addr {
 132   uint8_t s6_addr[16];
 133 };
 134
 135 struct sockaddr_in6 {
 136   sa_family_t sin6_family;
 137   in_port_t sin6_port;
 138   uint32_t sin6_flowinfo;
 139   struct in6_addr sin6_addr;
 140   uint32_t sin6_scope_id;
 141 };
 142
 143 struct ipv6_mreq {
 144   struct in6_addr ipv6mr_multiaddr;
 145   unsigned ipv6mr_interface;
 146 };
 147
 148 const struct in6_addr in6addr_any;
 149 const struct in6_addr in6addr_loopback;
 150
 151 #endif