git.meshlink.io Git - catta/blob - address.c

   1 #include <sys/types.h>
   2 #include <sys/socket.h>
   3 #include <arpa/inet.h>
   4 #include <string.h>
   5
   6 #include "address.h"
   7
   8 guint flx_address_get_size(const flxAddress *a) {
   9     g_assert(a);
  10
  11     if (a->family == AF_INET)
  12         return 4;
  13     else if (a->family == AF_INET6)
  14         return 16;
  15
  16     return 0;
  17 }
  18
  19 gint flx_address_cmp(const flxAddress *a, const flxAddress *b) {
  20     g_assert(a);
  21     g_assert(b);
  22
  23     if (a->family != b->family)
  24         return -1;
  25
  26     return memcmp(a, b, flx_address_get_size(a));
  27 }
  28
  29 gchar *flx_address_snprint(char *s, guint length, const flxAddress *a) {
  30     g_assert(s);
  31     g_assert(length);
  32     g_assert(a);
  33     return (gchar*) inet_ntop(a->family, a->data, s, length);
  34 }
  35
  36 gchar* flx_reverse_lookup_name(const flxAddress *a) {
  37     g_assert(a);
  38
  39     if (a->family == AF_INET) {
  40         guint32 n = ntohl(a->ipv4.address);
  41         return g_strdup_printf("%u.%u.%u.%u.in-addr.arpa", n & 0xFF, (n >> 8) & 0xFF, (n >> 16) & 0xFF, n >> 24);
  42     } else if (a->family == AF_INET6) {
  43
  44         return g_strdup_printf("%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.ip6.int",
  45                                a->ipv6.address[15] & 0xF,
  46                                a->ipv6.address[15] >> 4,
  47                                a->ipv6.address[14] & 0xF,
  48                                a->ipv6.address[14] >> 4,
  49                                a->ipv6.address[13] & 0xF,
  50                                a->ipv6.address[13] >> 4,
  51                                a->ipv6.address[12] & 0xF,
  52                                a->ipv6.address[12] >> 4,
  53                                a->ipv6.address[11] & 0xF,
  54                                a->ipv6.address[11] >> 4,
  55                                a->ipv6.address[10] & 0xF,
  56                                a->ipv6.address[10] >> 4,
  57                                a->ipv6.address[9] & 0xF,
  58                                a->ipv6.address[9] >> 4,
  59                                a->ipv6.address[8] & 0xF,
  60                                a->ipv6.address[8] >> 4,
  61                                a->ipv6.address[7] & 0xF,
  62                                a->ipv6.address[7] >> 4,
  63                                a->ipv6.address[6] & 0xF,
  64                                a->ipv6.address[6] >> 4,
  65                                a->ipv6.address[5] & 0xF,
  66                                a->ipv6.address[5] >> 4,
  67                                a->ipv6.address[4] & 0xF,
  68                                a->ipv6.address[4] >> 4,
  69                                a->ipv6.address[3] & 0xF,
  70                                a->ipv6.address[3] >> 4,
  71                                a->ipv6.address[2] & 0xF,
  72                                a->ipv6.address[2] >> 4,
  73                                a->ipv6.address[1] & 0xF,
  74                                a->ipv6.address[1] >> 4,
  75                                a->ipv6.address[0] & 0xF,
  76                                a->ipv6.address[0] >> 4);
  77     }
  78
  79     return NULL;
  80 }