posix/tst-rfc3484.c

   1 #include <stdbool.h>
   2 #include <stdio.h>
   3 #include <ifaddrs.h>
   4
   5 /* Internal definitions used in the libc code.  */
   6 #define __getservbyname_r getservbyname_r
   7 #define __socket socket
   8 #define __getsockname getsockname
   9 #define __inet_aton inet_aton
  10 #define __gethostbyaddr_r gethostbyaddr_r
  11 #define __gethostbyname2_r gethostbyname2_r
  12
  13 void
  14 attribute_hidden
  15 __check_pf (bool *p1, bool *p2, struct in6addrinfo **in6ai, size_t *in6ailen)
  16 {
  17   *p1 = *p2 = true;
  18   *in6ai = NULL;
  19   *in6ailen = 0;
  20 }
  21 int
  22 __idna_to_ascii_lz (const char *input, char **output, int flags)
  23 {
  24   return 0;
  25 }
  26 int
  27 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  28 {
  29   *output = NULL;
  30   return 0;
  31 }
  32
  33 #include "../sysdeps/posix/getaddrinfo.c"
  34
  35 service_user *__nss_hosts_database attribute_hidden;
  36
  37
  38 /* This is the beginning of the real test code.  The above defines
  39    (among other things) the function rfc3484_sort.  */
  40
  41
  42 #if __BYTE_ORDER == __BIG_ENDIAN
  43 # define h(n) n
  44 #else
  45 # define h(n) __bswap_constant_32 (n)
  46 #endif
  47
  48 struct sockaddr_in addrs[] =
  49 {
  50   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  51   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  52   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  53   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  54   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  55   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  56   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  57 };
  58 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  59 static struct addrinfo ais[naddrs];
  60 static struct sort_result results[naddrs];
  61
  62 static int expected[naddrs] =
  63   {
  64     6, 1, 0, 3, 2, 4, 5
  65   };
  66
  67
  68 ssize_t
  69 __getline (char **lineptr, size_t *n, FILE *s)
  70 {
  71   *lineptr = NULL;
  72   *n = 0;
  73   return 0;
  74 }
  75
  76
  77 static int
  78 do_test (void)
  79 {
  80   labels = default_labels;
  81   precedence = default_precedence;
  82
  83   struct sockaddr_in so;
  84   so.sin_family = AF_INET;
  85   so.sin_addr.s_addr = h (0xc0a85f19);
  86
  87   for (int i = 0; i < naddrs; ++i)
  88     {
  89       ais[i].ai_family = AF_INET;
  90       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
  91       results[i].dest_addr = &ais[i];
  92       results[i].got_source_addr = true;
  93       memcpy(&results[i].source_addr, &so, sizeof (so));
  94       results[i].source_addr_len = sizeof (so);
  95       results[i].source_addr_flags = 0;
  96       results[i].service_order = i;
  97     }
  98
  99   qsort (results, naddrs, sizeof (results[0]), rfc3484_sort);
 100
 101   int result = 0;
 102   for (int i = 0; i < naddrs; ++i)
 103     {
 104       struct in_addr addr = ((struct sockaddr_in *) (results[i].dest_addr->ai_addr))->sin_addr;
 105
 106       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 107                          sizeof (struct in_addr));
 108       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 109       result |= here;
 110     }
 111
 112   return result;
 113 }
 114
 115 #define TEST_FUNCTION do_test ()
 116 #include "../test-skeleton.c"